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开一个一维数组就行(附代码)#include <stdio.h>
#define max(x,y) (x>y?x:y)
int main()
{
int n, i, j, a, dp[355] = {0}, r = 0;
scanf("%d", &n);
for(i=1; i<=n; i++)
{
for(j=i; j>=1 && scanf("%d", &a); j--)
{
dp[j] = max(dp[j], dp[j-1])+a;
r = max(r, dp[j]);
}
}
printf("%d\n", r);
return 0;
}
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