Compilare: user.cpp: In function ‘int FindValue(int, int)’: user.cpp:9:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<table[which].size();i++) ^ user.cpp: In function ‘void AddValue(int, int)’: user.cpp:16:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(position==table[which].size()){ ^ user.cpp: In function ‘int main()’: user.cpp:37:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<table[i].size();j++) ^ user.cpp:24:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pariuri.in","r",stdin); ^ user.cpp:25:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pariuri.out","w",stdout); ^ user.cpp:27:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:29:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:31:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^