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답안 #537983

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
537983 2022-03-16T01:59:18 Z czhang2718 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
0 / 100
 551 ms 524288 KB 
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;

struct P{
    int l, r;
    ll k;

    inline P(){}
    inline P(int l, int r, ll k): l(l), r(r), k(k) {}

    inline friend P operator + (P a, P b){
        if(a.k==-1 && b.k==-1){
            if(max(a.l, b.l)<=min(a.r, b.r)) return P(max(a.l, b.l), min(a.r, b.r), -1);
            if(a.l>b.r) return P(a.l, b.r, a.l-b.r);
            if(a.r<b.l) return P(a.r, b.l, 0);
        }
        if(a.k==-1){
            if(b.l>a.r) return P(a.r, b.r, b.k);
            if(b.l<a.l) return P(a.l, b.r, b.k+a.l-b.l);
            return b;
        }
        if(b.k==-1){
            if(b.l>a.r) return P(a.l, b.l, a.k);
            if(b.r<a.r) return P(a.l, b.r, a.k+a.r-b.r);
            return a;
        }
        return P(a.l, b.r, a.k+b.k+max(0, a.r-b.l));
    }
};

const int N=300000;
int n, q;

struct segtree{
    vector<P> seg;

    segtree(){
        seg.resize(4*n);
    }

    void build(vector<P> &v, int x, int lx, int rx){
        if(rx-lx==1){
            seg[x]=v[lx];
            return;
        }
        int m=(lx+rx)/2;
        build(v, 2*x+1, lx, m);
        build(v, 2*x+2, m, rx);
        seg[x]=seg[2*x+1]+seg[2*x+2];
        // cout << "seg " << lx << " " << rx << " " << seg[x].l << " " << seg[x].r << " " << seg[x].k << "\n";
    }

    void build(vector<P> v){ build(v, 0, 0, n-1); }

    void upd(int i, P p, int x, int lx, int rx){
        if(rx-lx==1){
            seg[x]=p; 
            return;
        }
        int m=(lx+rx)/2;
        if(i<m) upd(i, p, 2*x+1, lx, m);
        else upd(i, p, 2*x+2, m, rx);
        seg[x]=seg[2*x+1]+seg[2*x+2];
    }

    void upd(int i, P p){ upd(i, p, 0, 0, n-1); }

    P query(int l, int r, int x, int lx, int rx){
        if(lx>=l && rx<=r) return seg[x];
        if(lx>=r || rx<=l) return P(-1e9, 1e9, -1);
        int m=(lx+rx)/2;
        return query(l, r, 2*x+1, lx, m)+query(l, r, 2*x+2, m, rx);
    }

    P query(int l, int r){ return query(l, r, 0, 0, n-1); }
};


int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> q;

    vector<P> path1, path2;
    segtree st1, st2;
    for(int i=0; i<n-1; i++){
        int a, b; cin >> a >> b;
        path1.push_back(P(a-i, b-i-1, -1));
        path2.push_back(P(a-(n-2-i), b-(n-2-i)-1, -1));
    }
    st1.build(path1);

    reverse(path2.begin(), path2.end());
    // for(P p:path2) cout << p.l << " " << p.r << " " << p.k << "\n";
    st2.build(path2);

    auto solve=[&](int a, int b, int c, int d, P p)->ll{
        b-=a, d-=c;
        if(p.k==-1){
            int x=b;
            x=max(x, p.l); x=min(x, p.r);
            return (ll)max(0, b-x)+max(0, x-d);
        }
        else return (ll)max(0, b-p.l)+p.k+max(0, p.r-d);
    };

    while(q--){
        int op; cin >> op;
        if(op==1){
            int i, a, b; cin >> i >> a >> b;
            --i;
            st1.upd(i, P(a-i, b-i-1, -1));
            st2.upd(n-2-i, P(a-(n-2-i), b-(n-2-i)-1, -1));
        }
        else{
            int a, b, c, d; cin >> a >> b >> c >> d;
            --a, --c;
            if(a==c) cout << max(0, b-d) << "\n";
            if(a<c) cout << solve(a, b, c, d, st1.query(a, c)) << "\n";
            if(a>c) cout << solve(n-1-a, b, n-1-c, d, st2.query(n-1-a, n-1-c)) << '\n';
        }
    }
}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 456 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 2 ms 392 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 2 ms 456 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 400 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 456 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 2 ms 468 KB Output is correct
40 Correct 2 ms 468 KB Output is correct
41 Runtime error 423 ms 524288 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 495 ms 60400 KB Output is correct
2 Correct 439 ms 48260 KB Output is correct
3 Correct 486 ms 48528 KB Output is correct
4 Correct 475 ms 47940 KB Output is correct
5 Correct 480 ms 65716 KB Output is correct
6 Correct 453 ms 65344 KB Output is correct
7 Correct 522 ms 65924 KB Output is correct
8 Correct 551 ms 67136 KB Output is correct
9 Correct 462 ms 48552 KB Output is correct
10 Correct 485 ms 65932 KB Output is correct
11 Correct 510 ms 65928 KB Output is correct
12 Correct 551 ms 67172 KB Output is correct
13 Correct 512 ms 67488 KB Output is correct
14 Runtime error 350 ms 524288 KB Execution killed with signal 9
15 Halted 0 ms 0 KB -

Subtask #3
0 / 66.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 456 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 2 ms 392 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 2 ms 456 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 400 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 2 ms 456 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 2 ms 468 KB Output is correct
40 Correct 2 ms 468 KB Output is correct
41 Runtime error 423 ms 524288 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -