Compilare: main.cpp: In function 'int main()': main.cpp:67:42: warning: format '%lld' expects argument of type 'long long int*', but argument 4 has type 'int*' [-Wformat=] scanf("%d %d %lld %d", &x, &y, &l, &c); ^ main.cpp:65:8: warning: unused variable 'ok' [-Wunused-variable] bool ok = false; ^~ main.cpp:57:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("foametea.in", "r", stdin); ^ main.cpp:58:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("foametea.out", "w", stdout); ^ main.cpp:60:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &m, &k); ^ main.cpp:62:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &s[i]); ^ main.cpp:67:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %lld %d", &x, &y, &l, &c); ^