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求解这个代码哪里错了?#include <iostream>
#include<stdio.h>
#include<stdlib.h>
using namespace std;
int main()
{
int num[100][100],maxsum[100][100],n,i,j,ans;
scanf("%d",&n);
for(i=0;i<n;i++)
for(j=0;j<=i;j++)
scanf("%d",&num[i][j]);
maxsum[0][0]=num[0][0];
for(i=1;i<n;i++)
for(j=0;j<=i;j++)
{if(j>0&&i<i)maxsum[i][j]=max(maxsum[i-1][j-1],maxsum[i-1][j])+num[i][j];
else maxsum[i][j]=maxsum[i-1][j]+num[i][j];
}
ans=maxsum[n-1][0];
for(j=0;j<n-1;j++)
if(maxsum[n-1][j]<maxsum[n-1][j+1])
ans=maxsum[n-1][j+1];
printf("%d\n",ans);
return 0;
}
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