Compilare: main.cpp: In function 'void solve()': main.cpp:27:11: warning: unused variable 'ex' [-Wunused-variable] int i,ex,x,maxPos[2]; ^~ main.cpp: In function 'void read()': main.cpp:19:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:22:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ main.cpp: In function 'int main()': main.cpp:54:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv6.in","r",stdin); ^ main.cpp:55:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv6.out","w",stdout); ^