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답안 #508332

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
508332 2022-01-13T08:52:19 Z Belgutei Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
17 / 100
 1093 ms 58248 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mk make_pair
#define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

ll n,m;
ll a[1000005];
ll l,r,k;
vector<ll> v[30];
ll level,zereg[30];
ll cnt;

void dfs(int p, int x){
    int y=zereg[level-p]*x;
    int z=zereg[level-p]*(x+1)-1;
    if(l<=y && z<=r){
        cnt+=v[p][x];
        return;
    }
    if(z<l || y>r || p==level) return;
    dfs(p+1,x*2);
    dfs(p+1,x*2+1);
}

int main(){
    IOS
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        cin>>a[i];
    }
    zereg[0]=1;
    for(int i=0; i<=30; i++){
        if(zereg[i]>=n){
            level=i;
            break;
        }
        zereg[i+1]=zereg[i]*2;
    }
    for(int i=0; i<zereg[level]; i++){
        v[level].pb(0);
    }
    for(int i=2; i<=n; i++){
        if(a[i-1]>a[i]){
            v[level][i-1]=1;
        }
    }
    if(n<=5000){
        while(m--){
            cin>>l>>r>>k;
            ll mx=a[l];
            ll mn=a[l];
            bool ok=1;
            for(int i=l+1; i<=r; i++){
                if(mx>a[i]){
                    if(mx+a[i]>k){
                        ok=0;
                        break;
                    }
                }
                if(mn>a[i]){
                    if(mn+a[i]>k){
                        ok=0;
                        break;
                    }
                }
                mx=max(mx,a[i]);
                mn=min(mn,a[i]);
            }
            cout<<ok<<'\n';
        }
        return 0;
    }
    for(int i=level-1; i>=0; i--){
        for(int j=1; j<v[i+1].size(); j+=2){
            v[i].pb(v[i+1][j]+v[i+1][j-1]);
        }
    }
    while(m--){
        cin>>l>>r>>k;
        if(l==r){
            cout<<"1\n";
            continue;
        }
        r--;
        dfs(0,0);
        cnt=0;
        if(cnt==0) cout<<"1\n";
        else cout<<"0\n";
    }
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:80:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |         for(int j=1; j<v[i+1].size(); j+=2){
      |                      ~^~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 3 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 21 ms 492 KB Output is correct
17 Correct 16 ms 424 KB Output is correct
18 Correct 14 ms 492 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1093 ms 58248 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 72 ms 5144 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 3 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 21 ms 492 KB Output is correct
17 Correct 16 ms 424 KB Output is correct
18 Correct 14 ms 492 KB Output is correct
19 Incorrect 172 ms 12632 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 460 KB Output is correct
14 Correct 3 ms 460 KB Output is correct
15 Correct 3 ms 460 KB Output is correct
16 Correct 21 ms 492 KB Output is correct
17 Correct 16 ms 424 KB Output is correct
18 Correct 14 ms 492 KB Output is correct
19 Incorrect 1093 ms 58248 KB Output isn't correct
20 Halted 0 ms 0 KB -