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Understanding If Statements in C Programming

Learn how to use if statements in C to produce either a true (1) or false (0) value and execute specific code based on the condition. Various examples provided for practice.

anthony-maynard
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Understanding If Statements in C Programming

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  1. The if statement

  2. if Şartlı kontrol • Koşul değimi doğru (1) yada yanlış (0) değeri üretir. • Şartın doğru olması durumunda if satırından sonraki değimler icra edilir. • Şartın yanlış değeri üretmesi durumunda else den sonraki değimler icra edilir.

  3. #include <stdio.h> int main(void) { int a, b, t; printf("Bir sayi giriniz:"); scanf("%d", &a); printf("Bir sayi giriniz:"); scanf("%d", &b); if (a < b) { t = a; a = b; b = t; printf("%d ile %d nin yerleri degistirildi\n", a, b); } else printf("%d buyuktur %d \n", a, b); return 0; }

  4. #include <stdio.h> int main() { int b; printf("Bir sayi giriniz:"); scanf("%d", &b); if (b < 0) printf("%d sayisi negatiftir \n", b); else if (b == 0) printf("Sayinin degeri sifir\n"); else printf("%d sayisi pozitiftir\n", b); return 0; }

  5. #include <stdio.h> int main() { int a; printf("Bir tam sayi giriniz:"); scanf("%d", &a); if ((a > 2) && (a < 4)) { printf ("a sayisi 3 (uc) \n"); } else printf("a sayisi 3 (uc) degil\n"); return 0; }

  6. #include <stdio.h> int main(void) { int a; printf("Bir tam sayi giriniz:"); scanf("%d", &a); if (a > 2) { if (a < 4) { printf ("a sayisi 3 (uc)\n"); } } else printf("a sayisi 3 (uc) degil\n"); return 0; }

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