Compilare: main.cpp: In function 'int main()': main.cpp:84:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0;k<v[j].size();k++){ ~^~~~~~~~~~~~ main.cpp:93:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[0].size();i++){ ~^~~~~~~~~~~~ main.cpp:27:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&n); ^ main.cpp:32:68: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d%d",&as[p].x,&as[p].y,&ap[p].x,&ap[p].y); ^ main.cpp:33:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&k); ^ main.cpp:35:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&dist[i]); /// distanta dintre i si i+1 ^ main.cpp:40:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&elem[i]); ^ main.cpp:42:47: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&poz[lin][j]); ^