Compilare: user.cpp:7:11: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] float v1[1<<20+5],v2[1<<20+5]; ^ user.cpp:7:23: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] float v1[1<<20+5],v2[1<<20+5]; ^ user.cpp: In function ‘int main()’: user.cpp:14:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocul2.in", "r", stdin); ^ user.cpp:15:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocul2.out", "w", stdout); ^ user.cpp:16:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:17:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=0;i<n;i++) scanf("%d",&v[i]); ^