OJ-Problems-Source/HDOJ/4985_autoAC.cpp

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#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
using namespace std;
const int N = 100005;
int n, a[N], vis[N];
int main() {
while (~scanf("%d", &n)) {
memset(vis, 0, sizeof(vis));
for (int i = 1; i <= n; i++)
scanf("%d", &a[i]);
for (int i = 1; i <= n; i++) {
if (vis[i]) continue;
int t = i;
printf("(%d", t);
vis[t] = 1;
t = a[t];
while (vis[t] == 0) {
vis[t] = 1;
printf(" %d", t);
t = a[t];
}
printf(")");
}
printf("\n");
}
return 0;
}