Compilare: main.cpp: In function 'int main()': main.cpp:90:10: warning: statement has no effect [-Wunused-value] for(i;i<=j;i++){ ^ main.cpp:18:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&n); ^ main.cpp:21:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d",&v[i]); ^ main.cpp:98:11: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized] p1=best[p1][1]; ~~^~~~~~~~~~~~