Compilare: main.cpp: In function 'int main()': main.cpp:11:19: warning: unused variable 'minn' [-Wunused-variable] int cer,n,k,i,minn=2000000000,x; ^ main.cpp:9:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("triunghi5.in", "r",stdin); ^ main.cpp:10:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi5.out", "w",stdout); ^ main.cpp:13:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &cer, &n, &k); ^ main.cpp:15:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^