楼下大佬背包太难了,不会就来看看这个暴力解法吧 #include <bits/stdc++.h> using namespace std; int t,a1; int arr[101]={0},brr[4],sum=0,minn=0; int main(){ cin>>t; while(t--) { sum=0; minn=31; cin>>a1>>brr[0]>>brr[1]>>brr[2]; for(int a2=0;a2<=brr[0];a2++){ ...