func_code_string: #include <bits/stdc++.h>   const int oo = 1073741819;   using namespace std;   int f[200][500], n, t[500], w[500];   int main() {     cin >> n;     for (int i = 1; i <= n; i++) cin >> t[i] >> w[i];     memset(f, 61, sizeof(f));     f[0][0] = 0;     for (int i = 1; i <= n; i++)       for (int j = 0; j <= i * 2; j++) {         if (j >= t[i]) f[i][j] = min(f[i][j], f[i - 1][j - t[i]]);         f[i][j] = min(f[i][j], f[i - 1][j] + w[i]);       }     int ans = 1073741819;     for (int j = 0; j <= n * 2; j++)       if (f[n][j] <= j) ans = min(ans, j);     cout << ans;     return 0;   }   