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枚举就好了。枚举第一组包含多少个数字,然后嘗试把后面的数列分成同等和的组別。
複杂度O(N^2),不过数据太弱了,0ms过
代码如下︰
#include <iostream>
#include <cstdio>
using namespace std;
int main(){
int p, m, d[10010], i, j, z, minsum, sum;
scanf("%d", &p);
while(p--){
scanf("%d%d", &z, &m);
for (i=0; i<m; i++) scanf("%d", d+i);
for (i=0, minsum=0; i<m; i++){
minsum+=d[i];
for (j=i+1, sum=0; j<m; j++){
sum+=d[j];
if (sum>minsum) break;
if (sum==minsum) sum=0;
}
if (j==m && sum==0) break;
}
printf("%d %d\n", z, minsum);
}
return 0;
}
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