Submission #3977372


Source Code Expand

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

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define repi(i,a,b) for(int i=int(a);i<int(b);i++)
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define mp make_pair

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;

const int inf = 1e9;
const ll linf = 1e18;
const ll mod = 1e9 + 7;

int main()
{
  int n, k;
  cin >> n >> k;

  int t[n];
  rep(i, n){
    cin >> t[i];
  }

  int s = t[0] + t[1] + t[2];
  repi(i, 3, n){
    if(s < k){
      cout << i << endl;
      return 0;
    }

    s += t[i];
    s -= t[i-3];
  }
  cout << -1 << endl;

  return 0;
}

Submission Info

Submission Time
Task A - ぐっすり
User yuto953
Language C++14 (GCC 5.4.1)
Score 100
Code Size 731 Byte
Status AC
Exec Time 31 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 3
AC × 34
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
subtask1_01.txt AC 24 ms 512 KB
subtask1_02.txt AC 9 ms 384 KB
subtask1_03.txt AC 7 ms 256 KB
subtask1_04.txt AC 5 ms 256 KB
subtask1_05.txt AC 20 ms 512 KB
subtask1_06.txt AC 14 ms 384 KB
subtask1_07.txt AC 21 ms 512 KB
subtask1_08.txt AC 7 ms 384 KB
subtask1_09.txt AC 26 ms 640 KB
subtask1_10.txt AC 22 ms 512 KB
subtask1_11.txt AC 3 ms 256 KB
subtask1_12.txt AC 19 ms 512 KB
subtask1_13.txt AC 28 ms 640 KB
subtask1_14.txt AC 15 ms 384 KB
subtask1_15.txt AC 29 ms 640 KB
subtask1_16.txt AC 28 ms 640 KB
subtask1_17.txt AC 29 ms 640 KB
subtask1_18.txt AC 28 ms 640 KB
subtask1_19.txt AC 29 ms 640 KB
subtask1_20.txt AC 29 ms 640 KB
subtask1_21.txt AC 29 ms 640 KB
subtask1_22.txt AC 28 ms 640 KB
subtask1_23.txt AC 31 ms 640 KB
subtask1_24.txt AC 28 ms 640 KB
subtask1_25.txt AC 29 ms 640 KB
subtask1_26.txt AC 29 ms 640 KB
subtask1_27.txt AC 28 ms 640 KB
subtask1_28.txt AC 29 ms 640 KB
subtask1_29.txt AC 31 ms 640 KB
subtask1_30.txt AC 28 ms 640 KB
subtask1_31.txt AC 27 ms 640 KB