oj.uz

답안 #43201

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
43201 2018-03-10T14:41:23 Z smu201111192 즐거운 사진 수집 (JOI13_collecting) C++14
100 / 100
 2215 ms 44208 KB 
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
const int MAXN = (1<<21);
int n,q;
int rtree[MAXN],ctree[MAXN];
long long rsum[MAXN],csum[MAXN];
void update(int node,int st,int ed,int pos,int *tree,long long *sum,int dep){
    if(pos > ed || pos < st)return;
    if(st == ed){
        tree[node] ^= 1;
        return;
    }
    if(tree[node] == 0 || tree[node] == (1LL <<(n-dep))) sum[dep]--;
    update(node*2,st,(st+ed)/2,pos,tree,sum,dep+1);
    update(node*2+1,(st+ed)/2+1,ed,pos,tree,sum,dep+1);
    tree[node] = tree[node * 2] + tree[node * 2 +1];
    if(tree[node] == 0 || tree[node] == (1LL <<(n-dep))) sum[dep]++;
    return;
}
int main(){
    ios::sync_with_stdio(false); cin.tie(0);
    cin >> n >> q;
    for(int i = 0; i <= n; i++){
        rsum[i] = csum[i] = (1LL << i);
    }
    for(int i = 1; i <= q; i++){
        int type; int line;
        cin >> type >> line;
        if(type == 0) update(1,1,(1<<n),line,rtree,rsum,0);
        else update(1,1,(1<<n),line,ctree,csum,0);
        long long ret = 0;
        long long last = 0;
        for(int j = 0; j <= n; j++){
            long long a = 1<<j;
            long long b = 1<<j;
            ret += a * b;
            ret -= 4 * last;
            last = rsum[j] * csum[j];
        }
        cout<<ret<<"\n";
    }
     return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 552 KB Output is correct
4 Correct 2 ms 552 KB Output is correct
5 Correct 2 ms 664 KB Output is correct
6 Correct 2 ms 664 KB Output is correct
7 Correct 2 ms 664 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 728 KB Output is correct
2 Correct 3 ms 728 KB Output is correct
3 Correct 3 ms 728 KB Output is correct
4 Correct 3 ms 728 KB Output is correct
5 Correct 3 ms 728 KB Output is correct
6 Correct 3 ms 728 KB Output is correct
7 Correct 2 ms 728 KB Output is correct
8 Correct 2 ms 728 KB Output is correct

Subtask #3
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2129 ms 43832 KB Output is correct
2 Correct 2215 ms 43832 KB Output is correct
3 Correct 1794 ms 43832 KB Output is correct
4 Correct 2013 ms 44208 KB Output is correct
5 Correct 2059 ms 44208 KB Output is correct
6 Correct 2015 ms 44208 KB Output is correct
7 Correct 2048 ms 44208 KB Output is correct
8 Correct 2118 ms 44208 KB Output is correct
9 Correct 1731 ms 44208 KB Output is correct
10 Correct 1752 ms 44208 KB Output is correct
11 Correct 1965 ms 44208 KB Output is correct
12 Correct 1968 ms 44208 KB Output is correct
13 Correct 2001 ms 44208 KB Output is correct