Compilare: user.c: In function ‘main’: user.c:52:9: warning: "/*" within comment [-Wcomment] /*while(1){ ^ user.c:75:9: warning: implicit declaration of function ‘sqrt’ [-Wimplicit-function-declaration] m = (1 + sqrt(1+8*n))/2; ^ user.c:75:18: warning: incompatible implicit declaration of built-in function ‘sqrt’ [enabled by default] m = (1 + sqrt(1+8*n))/2; ^ user.c:19:15: warning: unused variable ‘temp’ [-Wunused-variable] long long temp; ^ user.c:17:15: warning: unused variable ‘min’ [-Wunused-variable] long long min; ^ user.c:16:15: warning: unused variable ‘s’ [-Wunused-variable] long long s; ^ user.c:9:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("consecutive.in","r",stdin); ^ user.c:10:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("consecutive.out","w",stdout); ^ user.c:12:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.c:21:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lli",&n); ^