RQ157 晚餐队列安排
记录下就好了
#include <stdio.h>
using namespace std;
#define maxn 100000
int rec[maxn][2];
int main()
{
int n,t,ans,r1,r2;
ans=0xffffff;
r1=r2=0;
scanf("%d",&n);
for (int i=0;i<n;i++)
{
scanf("%d",&t);
if (t==1) r1++; else r2++;
rec[i][0]=r1;
rec[i][1]=r2;
}
for (int i=0;i<n;i++)
if (rec[i][1]+(r1-rec[i][0])<ans)
ans=rec[i][1]+(r1-rec[i][0]);
printf("%d",ans);
}
2022年1月26日 19:00
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