Compilare: main.cpp:4:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main(){ ^ main.cpp: In function 'int main()': main.cpp:5:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv7.in","r",stdin); ^ main.cpp:6:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv7.out","w",stdout); ^ main.cpp:8:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:9:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;++i){scanf("%d",&v[i]);if(v[i]>v[pmax])pmax=i;} ^