Compilare: user.c: In function ‘V’: user.c:6:5: warning: missing braces around initializer [-Wmissing-braces] int i,j,C[102][102]={0}; ^ user.c:6:5: warning: (near initialization for ‘C[0]’) [-Wmissing-braces] user.c: In function ‘main’: user.c:16:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("randuri.in","r",stdin),freopen("randuri.out","w",stdout); ^ user.c:16:44: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("randuri.in","r",stdin),freopen("randuri.out","w",stdout); ^ user.c:18:13: warning: ignoring return value of ‘gets’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ /tmp/ccH0Gdxy.o: In function `main': user.c:(.text.startup+0x6d): warning: the `gets' function is dangerous and should not be used.