Compilare: main.cpp: In function 'int main()': main.cpp:28:12: warning: overflow in implicit constant conversion [-Woverflow] smax = -INFINITY; ^ main.cpp:20:27: warning: unused variable 'x' [-Wunused-variable] int n, c, i, smax, s, x, j, max; ^ main.cpp:20:33: warning: unused variable 'max' [-Wunused-variable] int n, c, i, smax, s, x, j, max; ^~~ main.cpp:18:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.in", "r", stdin); ^ main.cpp:19:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.out", "w", stdout); ^ main.cpp:22:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &c); ^ main.cpp:24:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &v[i].timp, &v[i].pret); ^