Submission #832180

#	Time	Username	Problem	Language	Result	Execution time	Memory
832180		vjudge1	Addk (eJOI21_addk)	C++17	0 / 100	270 ms	844 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int nmax = 1e5+5;
int A[nmax];
int pref[nmax]={0};
int segtree[4*nmax];
void build(int idx, int low, int high) {
    if(low==high) {
        segtree[idx] = A[low];
        return;
    }
    int mid = (low+high)/2;
    build(2*idx, low, mid);
    build(2*idx+1, mid+1, high);
    segtree[idx] = segtree[2*idx]+segtree[2*idx+1];
}
int query(int idx, int low, int high, int l, int r) {
    if(low>=l && high<=r) {
        return segtree[idx];
    }
    if(low>r || high<l) {
        return 0;
    }
    int mid = (low+high)/2;
    int left = query(2*idx,low,mid,l,r);
    int right = query(2*idx+1,mid+1,high,l,r);
    return left+right;
}
int main() {
    int N,K,Q;
    cin >> N >> K;
    pref[0] = 0;
    for(int i=1; i<=N; i++) {
        cin >> A[i];
        pref[i] = A[i]+pref[i-1];
    }
    //build(1,1,N);
    cin >> Q;
    int com,l,r,m;
    int ujung, kal;
    long long sem;
    long long sum;
    for(int i=1; i<=Q; i++) {
        cin >> com;
        sum = 0;
        if(com==1) {
            cin >> m;
        } else {
            cin >> l >> r >> m;
            for(int i=l; i<=r-m+1; i++) {
                sum+=pref[i+m-1]-pref[i-1];
            }
            cout << sum << endl;
        }
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:40:9: warning: unused variable 'ujung' [-Wunused-variable]
   40 |     int ujung, kal;
      |         ^~~~~
Main.cpp:40:16: warning: unused variable 'kal' [-Wunused-variable]
   40 |     int ujung, kal;
      |                ^~~
Main.cpp:41:15: warning: unused variable 'sem' [-Wunused-variable]
   41 |     long long sem;
      |               ^~~

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