Submission #2542709

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

int n;
int arr[2][101];
int dp[2][101];

int solve(int i,int j)
{
    if(i>1 || j>=n)
        return 0;
    if(i==1 && j==n-1)
        return arr[i][j];
    int &ret=dp[i][j];
    if(ret!=-1)
        return ret;
    ret=0;
    return ret=max(arr[i][j]+solve(i,j+1),arr[i][j]+solve(i+1,j));
}

int main()
{

    scanf("%d",&n);
    for(int i=0;i<2;i++)
        for(int j=0;j<n;j++)
            scanf("%d",&arr[i][j]);
    memset(dp,-1,sizeof(dp));
    printf("%d",solve(0,0));
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:29:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&arr[i][j]);
                                   ^

Judge Result