Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:29:26: error: wrong type argument to unary minus if(v2[mij]<=-v) ^ user.cpp:37:25: error: wrong type argument to unary minus while(v2[pos]==-v&&pos>0) ^ user.cpp:8:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eqs.in","r",stdin); ^ user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eqs.out","w",stdout); ^ user.cpp:10:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d",&a,&b,&c,&d,&e); ^