Compilare: main.cpp: In function 'int main()': main.cpp:100:13: warning: unused variable 'ulpoz' [-Wunused-variable] int ulpoz, cb, ans; ^~~~~ main.cpp:73:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pic.in", "r", stdin); ^ main.cpp:74:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pic.out", "w", stdout); ^ main.cpp:76:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &V, &N); ^ main.cpp:79:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &ph[i]); ^