Compilare: main.cpp: In function 'int main()': main.cpp:10:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.in", "r", stdin); ^ main.cpp:11:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.out", "w", stdout); ^ main.cpp: In function 'void read()': main.cpp:19:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &n); ^ main.cpp:21:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &list[i]); ^ main.cpp: In function 'void solve()': main.cpp:40:35: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] else if(sum==sol && (j-st+1)<(right-left+1)){ ~^~~