Compilare: main.cpp: In function 'int main()': main.cpp:44:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("covrigi.in", "r", stdin); ^ main.cpp:45:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("covrigi.out", "w", stdout); ^ main.cpp:47:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld", &n, &m, &k); ^ main.cpp:49:53: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(int i = 1; i <= n; i++) scanf("%lld", &v[i]); ^ main.cpp:50:68: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(int i = 1; i <= m; i++) scanf("%lld", &s[i]), place += s[i]; ^