#include <bits/stdc++.h> using namespace std; int n, m, a, sum, cnt; int main() { cin >> n >> m; for (int i = 1; i < +n; i++) { cin >> a; if (sum + a > m) { cnt++; sum = a; } else sum += a; } cout << cnt + 1; return 0; }

#include <bits/stdc++.h> using namespace std; int n, m, a, sum, cnt; int main() { cin >> n >> m; for (int i = 1; i < +n; i++) { cin >> a; if (sum + a > m) { cnt++; sum = a; } else sum += a; } cout << cnt + 1; return 0; }

#include <bits/stdc++.h> using namespace std; int n; int main() { cin>>n; double e = 1, jc = 1; for (int i = 1; i <= n; i++) { jc *= i; e = e + 1 / jc; } printf("%.101f", e); return 0; }

#include <bits/stdc++.h> using namespace std; int n; int main() { cin>>n; double e = 1, jc = 1; for (int i = 1; i <= n; i++) { jc *= i; e = e + 1 / jc; } printf("%.101f", e); return 0; }

#include<bits/stdc++.h> using namespace std; int n, j, y, t, x, p, z;

int main(){ cin >> n; for(int i = 1;i <= 1;i++){ cin >> x >> p >> z; j += x; y += p; t += z; } cout<< j << " " << y << " " << t << " " << j + y + t; return 0; }

#include<bits/stdc++.h> using namespace std; int n, j, y, t, x, p, z;

int main(){ cin >> n; for(int i = 1;i <= 1;i++){ cin >> x >> p >> z; j += x; y += p; t += z; } cout<< j << " " << y << " " << t << " " << j + y + t; return 0; }

#include <bits/stdc++.h> using namespace std; int main() { for (int i=1; i<=20; i++) { if (i % 2 == 0) cout << i << "叮叮" << endl ; else if (i % 3 == 0) cout << i << "当当" << endl; else if (i%2 && i%3==0) cout << i << "叮叮当当" << endl; else cout<<i<<' '; } return 0; }