cpp

#include <bits/stdc++.h>
using namespace std;
 
int n, x, a[10];
 
int main()
{
    while (cin >> x)    a[n++] = x;    
 
    int t = 0;
    for (int i = 1; i <= 3; i++)
    {
        t = a[t];...

cpp

#include <bits/stdc++.h>
using namespace std;
const int N = 1010;

int n, f[N];
bool st[N];

int main()
{
    cin >> n;

    f[0] = f[1] = 1;
    st[1] = true;

    for (int i = 2; f[i - 1] <= ...

cpp

#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef pair<double, double> PDD;

void solve()
{
	PDD p[5];
	for (int i = 1; i <= 3; i++)	cin >> p[i].y >> p[i].x...

cpp

#include <bits/stdc++.h>
using namespace std;

string s;
int cnt[26];

int main()
{
    int T;
    cin >> T;
    
    while (T--)
    {
        memset(cnt, 0, sizeof cnt);

        bool flag = ...

cpp

#include <bits/stdc++.h>
usi...

cpp

class Solution {
public:
    int countEven(int num) {
        int res = 0;
        for (int i = 1; i <= num; i++) {
            int t = i, sum = 0;
            while (t) {
                sum +...

cpp

#include <bits/stdc++.h>
using namespace std;

int main(){
	double h;
	scanf("%lf",&h);
	printf("%.9f\n",sqrt(h*(12800000+h)));
    return 0;
}

cpp

#include <bits/stdc++.h>
using...