Compilare: main.cpp: In function 'int main()': main.cpp:21:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ramen.in", "r", stdin); ^ main.cpp:22:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ramen.out", "w", stdout); ^ main.cpp:23:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &D); ^ main.cpp:24:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] i=1; int T, L, LT; scanf("%d%d", &T, &L); Serve[i]=L*1LL; LT=T; ^ main.cpp:26:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] if(T==-1 && L==-1) {scanf("%d%d", &T, &L); ++i; Serve[i]=L; LT=T;} ^