Compilare: user.cpp: In function ‘int main()’: user.cpp:10:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v,&n); ^ user.cpp:14:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%d",&h[i][j]);s=s+h[i][j];if(h[i][j]>maxx) maxx=h[i][j];sum+=h[i][j];}if(sum>opo) {opo=sum;yu=i;}} ^