Compilare: user.cpp: In function ‘bool drept(int, int)’: user.cpp:25:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<inter[x].size();++i) ^ user.cpp:28:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<inter[y].size();++j) ^ user.cpp:31:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<inter[inter[x][i]].size();++k) ^ user.cpp: In function ‘int main()’: user.cpp:119:26: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fp(g,"%ld\n%ld",NR,mn); ^ user.cpp:119:26: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘int’ [-Wformat=] user.cpp:42:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f,"%d%d%d",&n,&m,&t); ^ user.cpp:46:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f,"%d%d%d",&a.x,&a.y,&a.typ); ^