Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:46:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<pct.size();++i) ^ user.cpp:47:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<pct.size();++j) ^ user.cpp:50:5: error: ‘m’ was not declared in this scope m = v[0]; ^ user.cpp:51:5: error: ‘fss’ was not declared in this scope fss = 1; ^ user.cpp:52:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1;i < v.size();i++) ^ user.cpp:36:13: warning: unused variable ‘f’ [-Wunused-variable] int x,y,f,s=0,n,i,j; ^ user.cpp:34:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trapez.in","r",stdin); ^ user.cpp:35:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trapez.out","w",stdout); ^ user.cpp:38:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:41:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^