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dp最长上升序列变形+记录相同长度的数量//#include<bits/stdc++.h> #include<algorithm> #include<iostream> #include<cstdlib> #include<vector> #include<cmath> #include<cstdio> #include<string> #include<cstring> #include<queue> using namespace std; int x; vector<int>factor; int dp[1000]; int num[1000]; int main() { while(~scanf("%d",&x)) { factor.clear(); for(int i=1;i*i<=x;++i) { if(x % i == 0) { factor.push_back(i); if(x/i != i) factor.push_back(x/i); } } sort(factor.begin(),factor.end()); int SIZE = factor.size(); int ansnum = 0; for(int i=0;i<SIZE;++i) { dp[i] = 1; num[i] = 1; } for(int i=0;i<SIZE;++i) { int maxlength = 0; for(int j=0;j<i;++j) { if(factor[i] > factor[j] && factor[i] % factor[j] == 0) { dp[i] = max(dp[i],dp[j] + 1); if(dp[i] > maxlength) { maxlength = dp[i]; num[i] = num[j]; } else if(dp[j] + 1 == maxlength) { num[i] += num[j]; } } } } printf("%d %d\n",dp[SIZE-1]-1,num[SIZE-1]); } return 0; } Followed by: Post your reply here: |
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