3 条题解

  • 1
    @ 2023-4-1 16:08:40

    LIS模板题

    这道题是LIS的模板题,因为他在LIS的训练里

    #pragma GCC optimize(3)
    #pragma GCC target("avx")
    #pragma GCC optimize("Ofast")
    #pragma GCC optimize("inline")
    #pragma GCC optimize("-fgcse")
    #pragma GCC optimize("-fgcse-lm")
    #pragma GCC optimize("-fipa-sra")
    #pragma GCC optimize("-ftree-pre")
    #pragma GCC optimize("-ftree-vrp")
    #pragma GCC optimize("-fpeephole2")
    #pragma GCC optimize("-ffast-math")
    #pragma GCC optimize("-fsched-spec")
    #pragma GCC optimize("unroll-loops")
    #pragma GCC optimize("-falign-jumps")
    #pragma GCC optimize("-falign-loops")
    #pragma GCC optimize("-falign-labels")
    #pragma GCC optimize("-fdevirtualize")
    #pragma GCC optimize("-fcaller-saves")
    #pragma GCC optimize("-fcrossjumping")
    #pragma GCC optimize("-fthread-jumps")
    #pragma GCC optimize("-funroll-loops")
    #pragma GCC optimize("-freorder-blocks")
    #pragma GCC optimize("-fschedule-insns")
    #pragma GCC optimize("inline-functions")
    #pragma GCC optimize("-ftree-tail-merge")
    #pragma GCC optimize("-fschedule-insns2")
    #pragma GCC optimize("-fstrict-aliasing")
    #pragma GCC optimize("-falign-functions")
    #pragma GCC optimize("-fcse-follow-jumps")
    #pragma GCC optimize("-fsched-interblock")
    #pragma GCC optimize("-fpartial-inlining")
    #pragma GCC optimize("no-stack-protector")
    #pragma GCC optimize("-freorder-functions")
    #pragma GCC optimize("-findirect-inlining")
    #pragma GCC optimize("-fhoist-adjacent-loads")
    #pragma GCC optimize("-frerun-cse-after-loop")
    #pragma GCC optimize("inline-small-functions")
    #pragma GCC optimize("-finline-small-functions")
    #pragma GCC optimize("-ftree-switch-conversion")
    #pragma GCC optimize("-foptimize-sibling-calls")
    #pragma GCC optimize("-fexpensive-optimizations")
    #pragma GCC optimize("inline-functions-called-once")
    #pragma GCC optimize("-fdelete-null-pointer-checks")
    #pragma GCC optimize(2)
    #include<bits/stdc++.h>
    using namespace std;
    int n,a[1001],dp[1001],maxn=1;
    int main()
    {
    	cin>>n;
    	for(int i=1;i<=n;i++)
    	{
    		cin>>a[i];
    		dp[i]=1;//设置边界
    	}
    	for(int i=2;i<=n;i++)
    	{
    		for(int j=1;j<i;j++)
    		{
    			if(a[j]<a[i])//判断是否上升
    			{
    				dp[i]=max(dp[i],dp[j]+1);//状转
    			}
    		}
    		maxn=max(dp[i],maxn);//比较最大值
    	}
    	cout<<maxn;
    }
    
    • 0
      @ 2023-4-2 15:30:39
      #include<bits/stdc++.h>
      using namespace std;
      int n;
      int maxv=-114514;
      int A[110000];
      int dp[110000];
      int main(){
      	cin>>n;
      	for(int i=1;i<=n;i++){
      		cin>>A[i];
      	}
      	for(int i=1;i<=n;i++){
      		dp[i]=max(dp[i-1]+A[i],A[i]);
      		maxv=max(maxv,dp[i]); 
      	}
      	cout<<maxv;
      }
      
      • -8
        @ 2021-10-17 11:48:11
        // 7
        // 1 7 3 5 9 4 8
        
        // 1 7 9 
        
        // 1 3 5 8
        // 1 3 5 9
        /*****************************************
        Note  : 
        ******************************************/
        #include <queue>
        #include <math.h>
        #include <stack>
        #include <stdio.h>
        #include <iostream>
        #include <vector>
        #include <iomanip>
        #include <string.h>
        #include <algorithm>
        using namespace std;
        #define LL long long
        const int N = 1e5 + 10;
        const int INF = 0x3f3f3f3f;
        int a[N] , n ,dp[N];
        int main()
        {
        	cin >> n;
        
        	for(int i = 0 ; i< n ; i++)
        		cin >> a[i];
        	
        	int maxx =0;
        	for(int i = 0 ; i < n ; i++)
        	{
        		dp[i] = 1;
        		for(int j = 0 ; j < i ; j++)
        		{
        			if(a[i] > a[j])
        			{
        				dp[i] = max(dp[i] , dp[j]+1);
        			}
        		}
        		maxx = max(dp[i] ,maxx);
        	}
        	cout << maxx <<endl;
        	return 0;
        }
        
        • 1

        信息

        ID
        1348
        时间
        1000ms
        内存
        256MiB
        难度
        6
        标签
        递交数
        303
        已通过
        94
        上传者