Compilare: main.c:3:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable:4996) main.c: In function 'fracIred': main.c:13:19: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (i % j != 0 && j % i != 0 || i == 1 || j == 1) ~~~~~~~~~~~^~~~~~~~~~~~~ main.c: In function 'main': main.c:39:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &N); ^~~~~~~~~~~~~~~~~~~ main.c:51:2: warning: ignoring return value of 'system', declared with attribute warn_unused_result [-Wunused-result] system("pause"); ^~~~~~~~~~~~~~~