Compilare: main.cpp: In function 'int main()': main.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cont>pq.size()) ~~~~^~~~~~~~~~ main.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(cont<pq.size()) ~~~~^~~~~~~~~~ main.cpp:26:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ main.cpp:29:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&v[i].ct); ^ main.cpp:33:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&v[i].risc); ^