Compilare: user.cpp: In function ‘int main()’: user.cpp:54:35: warning: NULL used in arithmetic [-Wpointer-arith] if (minForCoef[v[i].c] == NULL) { ^ user.cpp:64:13: warning: unused variable ‘x’ [-Wunused-variable] int x = v[ind[i]].t, minim = minForCoef[v[ind[i]].c]; ^ user.cpp:45:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dlboss.in", "r", stdin); ^ user.cpp:46:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dlboss.out", "w", stdout); ^ user.cpp:48:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%d", &n, &T); ^ user.cpp:50:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &v[i].t, &v[i].c); ^