func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m, a[102], b[102];   int main(void) {     scanf( %d %d , &n, &m);     for (int i = 0; i < m; ++i) scanf( %d %d , &a[i], &b[i]);     for (int x = 1; x <= n; ++x) {       int c = 0;       for (int i = 0; i < m; ++i)         if (x >= a[i] && x <= b[i]) ++c;       if (c != 1) {         printf( %d %d n , x, c);         return 0;       }     }     puts( OK );     return 0;   }   