编辑代码

#include "bits/stdc++.h"
using namespace std;
int dp[120][10001], c[110], w[110], n, v;
int main()
{
    cin >> n >> v;
    for(int i = 1; i <= n; i++)
    {
        cin >> c[i] >> w[i];
    }
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= v; j++)
        {
            if(j < c[i])
                dp[i][j] = dp[i - 1][j];
            else
            {
                dp[i][j] = max(dp[i - 1][j], dp[i - 1][j - c[i]] + w[i]);
            }
 
        }
    }
    cout << dp[n][v] << endl;
    return 0;
}