Compilare: main.cpp: In function 'int main()': main.cpp:47:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(ok=1) ^ main.cpp:15:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&n,&p,&q); ^ main.cpp:18:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^