func_code_string: #include <bits/stdc++.h>   int main() {     long long n, k, f[10005], t[10005], i, j, s = -1000000005, g = -1000000005, r;     scanf( %lld %lld , &n, &k);     for (i = 0; i < n; i++) {       scanf( %lld %lld , &f[i], &t[i]);     }     for (j = 0; j < n; j++) {       if (t[j] > k) {         r = f[j] - (t[j] - k);         if (r > s) s = r;       } else if (t[j] <= k) {         if (f[j] > g) g = f[j];       }     }     if (g > s)       printf( %lld , g);     else if (s >= g)       printf( %lld , s);     return 0;   }   