Submission #1034957

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034957		christinelynn	Addk (eJOI21_addk)	C++17	36 / 100	2070 ms	4716 KiB

Main

#include <bits/stdc++.h>
typedef long double ld;
#define int long long
#define TC int t; cin >> t; for(int _=1; _<=t; _++)
#define bismillah ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define pii pair<int, int>
#define pb push_back
#define mp make_pair
using namespace std;

const int N = 1e5+7;
int a[N], pref[N];

int getsum(int l, int r, int m){
   int ret = 0;
   for(int i=l+m-1, b=l; i<=r; i++, b++){
      ret+=(pref[i]-pref[b-1]);
   }return ret;
}

signed main(){
   bismillah;
   int n, k; cin >> n >> k;
   for(int i=1; i<=n; i++){
      cin >> a[i];
   }
   for(int i=1; i<=n; i++){
      pref[i] = pref[i-1]+a[i];
   }

   int q; cin >> q;
   while(q--){
      int t; cin >> t;
      if(t==1){
         // k=1 > will remain unchanged
         int x; cin >> x;
      }else{
         int l, r, m; cin >> l >> r >> m;
         cout << getsum(l, r, m) << '\n';
      }
   }
}

• Subtask 1: 36 / 36
• Subtask 2: 0 / 56
• Subtask 3: 0 / 8