55?

AETCH @ 2023-12-23 22:02:38

#include<bits/stdc++.h>
using namespace std;
int n,len,a[105][105],f[105][105],ans;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            cin>>a[i][j];
        }
    }
    for(int i=n;i>=1;i--){
        for(int j=i;j>=1;j--){
            f[i][j]=a[i][j]+max(f[i+1][j],f[i+1][j+1]);

        }
    }
    cout<<f[1][1];
    return 0;
} 

by AETCH @ 2023-12-23 22:04:36

#include<bits/stdc++.h>
using namespace std;
int n,len,a[1010][1010],f[1010][1010],ans;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            cin>>a[i][j];
        }
    }
    for(int i=n;i>=1;i--){
        for(int j=i;j>=1;j--){
            f[i][j]=a[i][j]+max(f[i+1][j],f[i+1][j+1]);
        }
    }
    cout<<f[1][1];
    return 0;
} 

AC了？

by rnf5114 @ 2023-12-23 22:08:19

@AETCH 1<=r<=1000

by AETCH @ 2023-12-23 22:12:21

谢谢