답안 #659135

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
659135 2022-11-16T17:26:08 Z ssense 악어의 지하 도시 (IOI11_crocodile) C++14
89 / 100
556 ms 93416 KB
#include <bits/stdc++.h>
#include "crocodile.h"
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef long long  ll;
using namespace std;
#define vint vector<int>
#define all(v) v.begin(), v.end()
#define MOD 1000000007
#define MOD2 998244353
#define MX 1000000000
#define MXL 1000000000000000000
#define PI (ld)2*acos(0.0)
#define pb push_back
#define sc second
#define fr first
//#define int long long
#define endl '\n'
#define ld long double
#define NO cout << "NO" << endl
#define YES cout << "YES" << endl
int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu

int travel_plan(int n, int m, int r[][2], int l[], int k, int p[])
{
    vector<vector<pair<int, ll>>> adj(n, vector<pair<int, ll>>());
    vector<pair<ll, ll>> certified(n, {MXL, MXL});
    for(int i = 0; i < m; i++)
    {
        adj[r[i][1]].pb({r[i][0], l[i]});
        adj[r[i][0]].pb({r[i][1], l[i]});
    }
    priority_queue<pair<ll, int>> q;
    for(int i = 0; i < k; i++)
    {
        certified[p[i]].fr = 0;
        certified[p[i]].sc = 0;
        q.push({0, p[i]});
    }
    while(!q.empty())
    {
        int u = q.top().sc;
        ll dist = -q.top().fr;
        q.pop();
        if(dist != certified[u].sc)
        {
            continue;
        }
        for(auto edge : adj[u])
        {
            int v = edge.fr;
            ll len = edge.sc+dist;
            if(len < certified[v].sc)
            {
                certified[v].sc = len;
                if(len < certified[v].fr)
                {
                    swap(certified[v].sc, certified[v].fr);
                }
                q.push({-certified[v].sc, v});
            }
            
        }
    }
    return certified[0].sc;
}
/*
int32_t main(){
    startt
    int n, m, k;
    cin >> n >> m;
    int r[m][2], l[m];
    for(int i = 0; i < m; i++)
    {
        cin >> r[i][0] >> r[i][1];
    }
    for(int i = 0; i < m ; i++)
    {
        cin >> l[i];
    }
    cin >> k;
    int p[k];
    for(int i = 0; i < k; i++)
    {
        cin >> p[i];
    }
    cout << travel_plan(n, m, r, l, k, p) << endl;
}
 */
/*
5 4
0 1
0 2
3 2
2 4
2
3
1
4
3
1
3
4

 */

Compilation message

crocodile.cpp: In member function 'void prefix_sum::build(std::vector<int>)':
crocodile.cpp:21:667: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 | int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu
      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         ~~^~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 852 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 3 ms 852 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 441 ms 67524 KB Output is correct
17 Correct 95 ms 19776 KB Output is correct
18 Correct 117 ms 22188 KB Output is correct
19 Correct 556 ms 93416 KB Output is correct
20 Correct 290 ms 65876 KB Output is correct
21 Correct 39 ms 8756 KB Output is correct
22 Incorrect 310 ms 63000 KB Output isn't correct
23 Halted 0 ms 0 KB -