#include #include #define MAX 10001 #define TIMAX 1000000 long long a[MAX]; bool seen[TIMAX]; int main() { memset(seen, 0, sizeof(seen)); for (int n=0; n=TIMAX) { goto end; } else if (!seen[t]) { seen[t] = true; printf("%d %lld\n", n, a[n]); break; } } } end: return 0; }