Compilare: user.cpp: In function ‘int main()’: user.cpp:40:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(hash1==hashv1 && hash2==hashv2) if(nr<1000) sol[++nr]=i-n+1; ^ user.cpp:12:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in", "r", stdin); ^ user.cpp:13:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out", "w", stdout); ^ user.cpp:14:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n%s",v,v1); ^