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답안 #1116751

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1116751 2024-11-22T10:33:22 Z hqminhuwu Passport (JOI23_passport) C++14
100 / 100
 790 ms 99368 KB 
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector <int> vi;
typedef pair <ll,ll> pll;
typedef pair <int,int> pii;
typedef pair <int,pii> piii;

#define forr(_a,_b,_c) for(int _a = (_b); _a <= int (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> int (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < int (_c); ++_a)
#define st first
#define nd second
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"

template<class X, class Y>
    bool minz(X &x, const Y &y) {
        if (x > y) {
            x = y;
            return true;
        } return false;
    }
template<class X, class Y>
    bool maxz(X &x, const Y &y) {
        if (x < y) {
            x = y;
            return true;
        } return false;
    }

const int N = 8e5 + 5;
const ll oo = (ll) 1e16;
const ll mod = 1e9 + 7; // 998244353;

int id[N], cnt;
vector <pii> a[N];

void build (int i, int l, int r){
    maxz (cnt, i);
    if (l == r){
        id[l] = i;
        return;
    }
    int mid = l + r >> 1;
    build(i << 1, l, mid);
    build(i << 1 | 1, mid + 1, r);
    a[i << 1].pb({i, 0});
    a[i << 1 | 1].pb({i, 0});
}

void add (int i, int l, int r, int u, int v, int x){
    if (l > v || r < u) return;
    if (l >= u && r <= v){
        a[i].pb({x, 1});
        return;
    }
    int mid = l + r >> 1;
    add(i << 1, l, mid, u, v, x);
    add(i << 1 | 1, mid + 1, r, u, v, x);
}

int n, l[N], r[N], d[3][N];

void go (int z){
    priority_queue<pii, vector <pii>, greater<pii>> q;

    forr (i, 1, cnt){
        q.push({d[z][i], i});
    }

    while (!q.empty()) {
        pii t = q.top();
        q.pop();
        int u = t.nd;
        if (t.st != d[z][u] || t.st > n) continue;
        for (pii e : a[u]){
            int v = e.st, w = e.nd;
            if (minz(d[z][v], d[z][u] + w)){
                q.push({d[z][v], v});
            }
        }
    }
}


int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    #ifdef kaguya
        freopen(file".inp", "r", stdin); freopen(file".out", "w", stdout);
    #endif

    cin >> n;

    build(1, 1, n);

    forr (i, 1, n){
        cin >> l[i] >> r[i];
        add(1, 1, n, l[i], r[i], id[i]);
    }

    memset (d, 63, sizeof d);
    d[0][id[1]] = 0;
    go(0);
    d[1][id[n]] = 0;
    go(1);
    
    forr (i, 1, n){
        int u = id[i];
       if (max(d[0][u], d[1][u]) > n){
            continue;
        }
        d[2][u] = d[1][u] + d[0][u] - (i != n && i != 1);
    }

    go(2);

    int qq, zz;
    cin >> qq;
    
    while (qq--){
        cin >> zz;
        zz = id[zz];
        cout << (d[2][zz] <= n ? d[2][zz] : -1) << "\n";
    }

    return 0;
}
/*



*/

Compilation message

passport.cpp: In function 'void build(int, int, int)':
passport.cpp:51:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |     int mid = l + r >> 1;
      |               ~~^~~
passport.cpp: In function 'void add(int, int, int, int, int, int)':
passport.cpp:64:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |     int mid = l + r >> 1;
      |               ~~^~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 33360 KB Output is correct
2 Correct 6 ms 33472 KB Output is correct
3 Correct 5 ms 33360 KB Output is correct
4 Correct 679 ms 89712 KB Output is correct
5 Correct 435 ms 68664 KB Output is correct
6 Correct 352 ms 61940 KB Output is correct
7 Correct 324 ms 65332 KB Output is correct
8 Correct 266 ms 69156 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 32336 KB Output is correct
2 Correct 12 ms 32336 KB Output is correct
3 Correct 11 ms 32336 KB Output is correct
4 Correct 13 ms 29520 KB Output is correct
5 Correct 11 ms 32336 KB Output is correct
6 Correct 11 ms 32336 KB Output is correct
7 Correct 11 ms 30388 KB Output is correct
8 Correct 11 ms 32336 KB Output is correct
9 Correct 11 ms 33360 KB Output is correct
10 Correct 13 ms 29520 KB Output is correct
11 Correct 14 ms 29720 KB Output is correct
12 Correct 12 ms 29776 KB Output is correct
13 Correct 11 ms 32336 KB Output is correct
14 Correct 11 ms 30288 KB Output is correct
15 Correct 11 ms 30396 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 32336 KB Output is correct
2 Correct 12 ms 32336 KB Output is correct
3 Correct 11 ms 32336 KB Output is correct
4 Correct 13 ms 29520 KB Output is correct
5 Correct 11 ms 32336 KB Output is correct
6 Correct 11 ms 32336 KB Output is correct
7 Correct 11 ms 30388 KB Output is correct
8 Correct 11 ms 32336 KB Output is correct
9 Correct 11 ms 33360 KB Output is correct
10 Correct 13 ms 29520 KB Output is correct
11 Correct 14 ms 29720 KB Output is correct
12 Correct 12 ms 29776 KB Output is correct
13 Correct 11 ms 32336 KB Output is correct
14 Correct 11 ms 30288 KB Output is correct
15 Correct 11 ms 30396 KB Output is correct
16 Correct 15 ms 34052 KB Output is correct
17 Correct 16 ms 32848 KB Output is correct
18 Correct 19 ms 30492 KB Output is correct
19 Correct 16 ms 30476 KB Output is correct
20 Correct 14 ms 30544 KB Output is correct
21 Correct 17 ms 30032 KB Output is correct
22 Correct 12 ms 30800 KB Output is correct
23 Correct 16 ms 30288 KB Output is correct
24 Correct 18 ms 30304 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 32336 KB Output is correct
2 Correct 12 ms 32336 KB Output is correct
3 Correct 11 ms 32336 KB Output is correct
4 Correct 13 ms 29520 KB Output is correct
5 Correct 11 ms 32336 KB Output is correct
6 Correct 11 ms 32336 KB Output is correct
7 Correct 11 ms 30388 KB Output is correct
8 Correct 11 ms 32336 KB Output is correct
9 Correct 11 ms 33360 KB Output is correct
10 Correct 13 ms 29520 KB Output is correct
11 Correct 14 ms 29720 KB Output is correct
12 Correct 12 ms 29776 KB Output is correct
13 Correct 11 ms 32336 KB Output is correct
14 Correct 11 ms 30288 KB Output is correct
15 Correct 11 ms 30396 KB Output is correct
16 Correct 15 ms 34052 KB Output is correct
17 Correct 16 ms 32848 KB Output is correct
18 Correct 19 ms 30492 KB Output is correct
19 Correct 16 ms 30476 KB Output is correct
20 Correct 14 ms 30544 KB Output is correct
21 Correct 17 ms 30032 KB Output is correct
22 Correct 12 ms 30800 KB Output is correct
23 Correct 16 ms 30288 KB Output is correct
24 Correct 18 ms 30304 KB Output is correct
25 Correct 10 ms 33532 KB Output is correct
26 Correct 15 ms 29776 KB Output is correct
27 Correct 16 ms 30340 KB Output is correct
28 Correct 17 ms 32912 KB Output is correct
29 Correct 17 ms 33616 KB Output is correct
30 Correct 16 ms 33872 KB Output is correct
31 Correct 17 ms 30288 KB Output is correct

Subtask #5
46.0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 33360 KB Output is correct
2 Correct 6 ms 33472 KB Output is correct
3 Correct 5 ms 33360 KB Output is correct
4 Correct 679 ms 89712 KB Output is correct
5 Correct 435 ms 68664 KB Output is correct
6 Correct 352 ms 61940 KB Output is correct
7 Correct 324 ms 65332 KB Output is correct
8 Correct 266 ms 69156 KB Output is correct
9 Correct 11 ms 32336 KB Output is correct
10 Correct 12 ms 32336 KB Output is correct
11 Correct 11 ms 32336 KB Output is correct
12 Correct 13 ms 29520 KB Output is correct
13 Correct 11 ms 32336 KB Output is correct
14 Correct 11 ms 32336 KB Output is correct
15 Correct 11 ms 30388 KB Output is correct
16 Correct 11 ms 32336 KB Output is correct
17 Correct 11 ms 33360 KB Output is correct
18 Correct 13 ms 29520 KB Output is correct
19 Correct 14 ms 29720 KB Output is correct
20 Correct 12 ms 29776 KB Output is correct
21 Correct 11 ms 32336 KB Output is correct
22 Correct 11 ms 30288 KB Output is correct
23 Correct 11 ms 30396 KB Output is correct
24 Correct 15 ms 34052 KB Output is correct
25 Correct 16 ms 32848 KB Output is correct
26 Correct 19 ms 30492 KB Output is correct
27 Correct 16 ms 30476 KB Output is correct
28 Correct 14 ms 30544 KB Output is correct
29 Correct 17 ms 30032 KB Output is correct
30 Correct 12 ms 30800 KB Output is correct
31 Correct 16 ms 30288 KB Output is correct
32 Correct 18 ms 30304 KB Output is correct
33 Correct 10 ms 33532 KB Output is correct
34 Correct 15 ms 29776 KB Output is correct
35 Correct 16 ms 30340 KB Output is correct
36 Correct 17 ms 32912 KB Output is correct
37 Correct 17 ms 33616 KB Output is correct
38 Correct 16 ms 33872 KB Output is correct
39 Correct 17 ms 30288 KB Output is correct
40 Correct 790 ms 91136 KB Output is correct
41 Correct 529 ms 71180 KB Output is correct
42 Correct 579 ms 95312 KB Output is correct
43 Correct 552 ms 99368 KB Output is correct
44 Correct 381 ms 62004 KB Output is correct
45 Correct 402 ms 69780 KB Output is correct
46 Correct 198 ms 48612 KB Output is correct
47 Correct 524 ms 75160 KB Output is correct
48 Correct 430 ms 82816 KB Output is correct