Compilare: user.cpp: In function ‘int main()’: user.cpp:82:80: warning: too many arguments for format [-Wformat-extra-args] fprintf(g,"%d %d %d\n",a[vec[i].x][vec[i].y],vec[i].x,vec[i].y,vec[i].p);} ^ user.cpp:37:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d",&p,&n,&m,&d); ^ user.cpp:40:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^