{"id":83,"date":"2025-12-22T21:24:18","date_gmt":"2025-12-22T18:24:18","guid":{"rendered":"https:\/\/blogs.e-me-4all.eu\/kostis1\/?p=83"},"modified":"2025-12-22T21:24:18","modified_gmt":"2025-12-22T18:24:18","slug":"%ce%bc%ce%b5%cf%84%ce%b1%ce%b2%ce%bb%ce%b7%cf%84%ce%ad%cf%82-%ce%ba%ce%b1%ce%b9-%ce%bb%ce%ae%cf%88%ce%b7-%ce%b1%cf%80%ce%bf%cf%86%ce%ac%cf%83%ce%b5%cf%89%ce%bd-%ce%bc%ce%b5-if-%ce%ba%ce%b1%ce%b9-else","status":"publish","type":"post","link":"https:\/\/blogs.e-me-4all.eu\/kostis1\/2025\/12\/22\/%ce%bc%ce%b5%cf%84%ce%b1%ce%b2%ce%bb%ce%b7%cf%84%ce%ad%cf%82-%ce%ba%ce%b1%ce%b9-%ce%bb%ce%ae%cf%88%ce%b7-%ce%b1%cf%80%ce%bf%cf%86%ce%ac%cf%83%ce%b5%cf%89%ce%bd-%ce%bc%ce%b5-if-%ce%ba%ce%b1%ce%b9-else\/","title":{"rendered":"\u039c\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u039b\u03ae\u03c8\u03b7 \u0391\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 If \u03ba\u03b1\u03b9 Else"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif\">\u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03c4\u03b9\u03bc\u03ce\u03bd \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-89\" src=\"https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c3-300x71.png\" alt=\"\" width=\"300\" height=\"71\" srcset=\"https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c3-300x71.png 300w, https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c3.png 431w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1, \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u00abx\u00bb \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc (int) \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03c0\u03b5\u03b9\u03c4\u03b1 \u03cc\u03c3\u03b5\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bc\u03b5. \u038c\u03c3\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bd\u03c4\u03bf\u03bb\u03ae \u03b5\u03ba\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7\u03c2 (printf), \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bd\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03c4\u03bf\u03bb\u03ae\u03c2, \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5\u03c4\u03ac \u03ba\u03b1\u03b9 \u03ad\u03be\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03bf\u03c3\u03b5\u03b9\u03c1\u03ac\u03c2. \u0397 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf \u03bc\u03cd\u03bd\u03b7\u03bc\u03b1 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u00ab%\u00bb, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u00abd\u00bb, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc, \u03c3\u03b1\u03bd \u03c4\u03bf x. \u03a4\u03bf \u00ab\\n\u00bb \u03b1\u03c6\u03ae\u03bd\u03b5\u03b9 \u03bc\u03af\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ba\u03b5\u03bd\u03ae \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b1 \u03bc\u03b7\u03bd\u03cd\u03bc\u03b1\u03c4\u03b1.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u039f\u03c0\u03cc\u03c4\u03b5, \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03b5\u03ba\u03c4\u03c5\u03c0\u03c9\u03b8\u03b5\u03af \u03c3\u03c4\u03b7\u03bd \u03bf\u03b8\u03cc\u03bd\u03b7 \u03c4\u03bf \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><em>\u0397 \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 x \u03b5\u03af\u03bd\u03b1\u03b9: %d\\n<\/em><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u0391\u03bb\u03bb\u03ac \u03c4\u03bf:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><em>\u0397 \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 x \u03b5\u03af\u03bd\u03b1\u03b9: 10<\/em><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u039a\u03b1\u03b9 \u03b8\u03b1 \u03b1\u03c6\u03ae\u03c3\u03b5\u03b9 \u03bc\u03af\u03b1 \u03bc\u03af\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ba\u03b5\u03bd\u03ae.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u03a4\u03ce\u03c1\u03b1, \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03bc\u03ad\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u00abif\u00bb \u03ba\u03b1\u03b9 \u00abelse\u00bb \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03cc \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b7 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-90\" src=\"https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c4-300x198.png\" alt=\"\" width=\"300\" height=\"198\" srcset=\"https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c4-300x198.png 300w, https:\/\/blogs.e-me-4all.eu\/kostis1\/wp-content\/uploads\/sites\/16103\/2025\/12\/c4.png 393w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u03a3\u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03bd (if) \u03b7 \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2 x \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c4\u03bf\u03c5 0 (x &gt; 0), \u03c4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03b5\u03ba\u03c4\u03c5\u03c0\u03c9\u03b8\u03b5\u03af \u03c4\u03bf \u03bc\u03ae\u03bd\u03c5\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03ac\u03b3\u03ba\u03b9\u03c3\u03c4\u03c1\u03b1. \u0391\u03bd \u03cc\u03bc\u03c9\u03c2 \u03b4\u03b5\u03bd \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5, \u03c4\u03cc\u03c4\u03b5 (else) \u03b8\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u0391\u03c6\u03bf\u03cd \u03c4\u03bf x = -5, \u03c4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03b5\u03ba\u03c4\u03c5\u03c0\u03c9\u03b8\u03b5\u03af \u03c4\u03bf:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><em>\u039c\u03b7 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2<\/em><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u0391\u03bd \u03cc\u03bc\u03c9\u03c2 \u03c4\u03bf x \u03ae\u03c4\u03b1\u03bd \u03af\u03c3\u03bf \u03bc\u03b5 5 (x = 5), \u03c4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03b5\u03ba\u03c4\u03c5\u03c0\u03c9\u03bd\u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b5\u03be\u03ae\u03c2:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\"><em>\u0398\u03b5\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2<\/em><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif\">\u03a3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b8\u03b1 \u03b1\u03c6\u03b5\u03b8\u03b5\u03af \u03bc\u03af\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ba\u03b5\u03bd\u03ae \u03cd\u03c3\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03b5\u03ba\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 \u03c4\u03b9\u03bc\u03ce\u03bd \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1. \u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1, \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u00abx\u00bb \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03b1\u03ba\u03ad\u03c1\u03b1\u03b9\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc (int) \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03c0\u03b5\u03b9\u03c4\u03b1 \u03cc\u03c3\u03b5\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bc\u03b5. 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