题意:给出一个奇数n,再给出n个数,求出现了至少(n+1)/2次的那个数。(反正不会出现两个以上)
链接:http://acm.hdu.edu.cn/showproblem.php?pid=1175
代码:
#include <cstdio>
#include <cstring>
const int maxn =
1e6;
int vis[maxn];
int main()
{
int n;
while (
scanf(
"%d", &n) != EOF)
{
int a,k;
memset(vis,
0,
sizeof(vis));
for(
int i=
0; i<n; i++)
{
scanf(
"%d", &a);
vis[a]++;
if (vis[a] == (n+
1)/
2)
k = a;
}
printf(
"%d\n", k);
}
return 0;
}
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