2 条题解
-
1
#include<bits/stdc++.h> #define int long long using namespace std; const int N = 101; const int inf = 0x3f3f3f3f; int n; int a[21]; //vector<int> hqt[401]; void dfs(int number , int step , int sum){ if(sum > n){ return; } if(number >= n){ return; } if(sum == n){ cout << n << "="; for(int i = 1 ; i < step - 1 ; i ++){ cout << a[i] << "+"; } cout << a[step - 1] << endl; return; }
//cout << step << endl; for(int i = number ; i <= n - 1 ; i ++){ a[step] = i; dfs(i , step + 1 , sum + i); }
} signed main(){ freopen("split.in" , "r" , stdin); freopen("split.out" , "w" , stdout); cin >> n; dfs(1 , 1 , 0); return 0; }
信息
- ID
- 532
- 时间
- 1000ms
- 内存
- 256MiB
- 难度
- 7
- 标签
- (无)
- 递交数
- 115
- 已通过
- 30
- 上传者