@[Exile_Code](/user/819682) 有没有可能
```
for(int j=m;j>=v[i];j--)
```
要改成
```
for(int j=m;j>=w[i];j--)
```
by hash_peas @ 2023-07-26 09:37:01
@[Exile_Code](/user/819682)
实测改过的代码已AC
code
```
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
using namespace std;
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <cstdio>
#include <cstring>
#include <queue>
#include <cstdlib>
#include <algorithm>
#include <list>
#include <string>
#include <cmath>
#include <bitset>
const int MAXN = 1e5+ 8;
int main() {
int n, m;
cin >> n >> m;
int f[MAXN], v[MAXN];
int w[MAXN];
int cnt = 0;
memset(f, 0, sizeof(f));
for (int i = 0; i < n; i++) {
int a, b, c;
cin >> a >> b >> c;
int k = 1;
while (k <= c) {
cnt++;
v[cnt] = a * k;
w[cnt] = b * k;
c -= k;
k *= 2;
}
if (c > 0) {
cnt++;
v[cnt] = a * c;
w[cnt] = b * c;
}
}
for (int i = 1; i <= cnt; i++)
for (int j = m;j>=w[i]; --j)
f[j] = max(f[j], f[j -w[i]] +v[i] );
cout << f[m] << endl;
return 0;
}
```
by hash_peas @ 2023-07-26 09:37:43
没必要定义MAXN，白白占空间
by AlphaStar @ 2023-07-26 09:44:34
话说开那么多头文件干嘛（
by hash_peas @ 2023-07-26 09:46:03
建议循环加大括号，否则太难看
by AlphaStar @ 2023-07-26 09:46:10
@[xxx666xxx](/user/774876) 而且不用.h，难看(doge)
by AlphaStar @ 2023-07-26 09:47:47
@[xxx666xxx](/user/774876) vs用不了万能头啊
by Exile_Code @ 2023-07-26 10:54:09
@[Exile_Code](/user/819682) 可是你这程序开个```#include<iostream>```就好了
by hash_peas @ 2023-07-26 11:01:12
@[AlphaStar](/user/1037925) 什么小周老师（uid 1000048，看他主页最后一个链接，里面全假的
by Zpril_20211017 @ 2023-07-26 18:00:31