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답안 #1108128

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1108128 2024-11-02T23:53:36 Z laight 열대 식물원 (Tropical Garden) (IOI11_garden) C++17
100 / 100
 1389 ms 31172 KB 
#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define pi pair<int, int>
#define fi first
#define se second
#define ll long long
#define ull unsigned long long
#define ld long double
#define pb push_back
#define mp make_pair
#define pll pair<ll, ll>
#define umi unordered_map<int, int>
#define umll unordered_map<ll, ll>
#define umllv unordered_map<ll, vector<ll>>
 
#define getchar() (*_pinp?*_pinp++:(_inp[fread(_pinp=_inp, 1, 4096, stdin)]='\0', *_pinp++))
char _inp[4097], *_pinp=_inp;
#define scan(x) do{while((x=getchar())<'-'); _ssign=x=='-'; if(_ssign) while((x=getchar())<'0'); for(x-='0'; '0'<=(_=getchar()); x=(x<<3)+(x<<1)+_-'0'); x=_ssign?-x:x;}while(0)
char _; bool _ssign;
 
// #pragma GCC optimize("Ofast")
// #pragma GCC target("avx2")
 
using namespace std; using namespace __gnu_pbds;
 
const int MM = 1e5+5e4+5;
const ll inf = 2e15+1;
const int lg = 17; // 17 for 1e5, 31 for 1e9
 
int n, m, p, a, b, lv, cycl, cl1, cl2, q, inp; bool cvis[2*MM], vis[2*MM], vis2[2*MM], hcy, cy1, cy2;
vector<int> g(2005), ans(2005), to(2*MM), rev[2*MM], graph[MM], dis, dis2;
 
void g_f(int c){
    queue<pi> q; q.push({0, c});
    while (!q.empty()){
        int cur = q.front().se, cd = q.front().fi;
        q.pop();
      	if (vis[cur]) continue;
      	vis[cur] = 1;
        if (cur < n) dis.pb(cd);
        for (int i : rev[cur]){
            if (!vis[i]){
                q.push({cd+1, i});
            }
        }
    }
}
void g_f2(int c){
    queue<pi> q; q.push({0, c});
    while (!q.empty()){
        int cur = q.front().se, cd = q.front().fi;
        q.pop();
      	if (vis2[cur]) continue;
      	vis2[cur] = 1;
        if (cur < n) dis2.pb(cd);
        for (int i : rev[cur]){
            if (!vis2[i]){
                q.push({cd+1, i});
            }
        }
    }
}
void cyc_f(int c, int d, int pe){
    if (cvis[c]){
        if (c == pe) {hcy = 1; cycl = d;}
        return;
    }
    cvis[c] = 1; cyc_f(to[c], d+1, pe);
}
void count_routes(int N, int M, int P, int R[][2], int Q, int G[]){
    // cin.tie(0); cin.sync_with_stdio(0);
    // freopen("changyue_tst.txt", "r", stdin);
    n = N; m = M; p = P;
    for (int i=0; i<m; ++i){
        graph[R[i][0]].pb(R[i][1]); graph[R[i][1]].pb(R[i][0]);
    }
    q = Q; for (int i=0; i<q; i++) {g[i] = G[i];}
    for (int i=0; i<n; ++i){
        int oth = graph[i][0];
        if (i == graph[oth][0]){
            to[i] = n+oth;
        }
        else {to[i] = oth;}
        if (graph[i].size() >= 2){
            int oth2 = graph[i][1];
            if (i == graph[oth2][0]){
                to[n+i] = n+oth2;
            }
            else {to[n+i] = oth2;}
        }
        else{
            if (i == graph[oth][0]){
                to[n+i] = n+oth;
            }
            else {to[n+i] = oth;}
        }
    }
    for (int i=0; i<2*n; i++){
        rev[to[i]].pb(i);
    }
    cl1 = cl2 = 0;
    hcy = 0; cycl = 0;
    cyc_f(p, 0, p);
    cl1 = cycl; cy1 = hcy;
    memset(cvis, 0, sizeof(cvis));
    hcy = 0; cycl = 0;
    cyc_f(n+p, 0, n+p);
    cl2 = cycl; cy2 = hcy;
    g_f(p); g_f2(n+p);
    for (int i=0; i<q; ++i){
        int tv=g[i], ca=0;
        for (int j : dis){
            if (j > tv) break;
            if (cl1){
                if (tv%cl1 == j%cl1) ++ca;
            }
            else{
                if (tv == j) ++ca;
            }
        }
        for (int j : dis2){
            if (j > tv) break;
            if (cl2){
                if (tv%cl2 == j%cl2) ++ca;
            }
            else{
                if (tv == j) ++ca;
            }
        }
        answer(ca);
    }
}

Subtask #1
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 14160 KB Output is correct
2 Correct 4 ms 14160 KB Output is correct
3 Correct 5 ms 14160 KB Output is correct
4 Correct 4 ms 13904 KB Output is correct
5 Correct 4 ms 13904 KB Output is correct
6 Correct 4 ms 14160 KB Output is correct
7 Correct 4 ms 13904 KB Output is correct
8 Correct 5 ms 14160 KB Output is correct
9 Correct 5 ms 14124 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 14160 KB Output is correct
2 Correct 4 ms 14160 KB Output is correct
3 Correct 5 ms 14160 KB Output is correct
4 Correct 4 ms 13904 KB Output is correct
5 Correct 4 ms 13904 KB Output is correct
6 Correct 4 ms 14160 KB Output is correct
7 Correct 4 ms 13904 KB Output is correct
8 Correct 5 ms 14160 KB Output is correct
9 Correct 5 ms 14124 KB Output is correct
10 Correct 4 ms 13904 KB Output is correct
11 Correct 10 ms 15620 KB Output is correct
12 Correct 21 ms 16732 KB Output is correct
13 Correct 34 ms 22988 KB Output is correct
14 Correct 69 ms 25160 KB Output is correct
15 Correct 72 ms 26308 KB Output is correct
16 Correct 57 ms 23196 KB Output is correct
17 Correct 52 ms 22468 KB Output is correct
18 Correct 21 ms 16720 KB Output is correct
19 Correct 68 ms 25160 KB Output is correct
20 Correct 84 ms 25804 KB Output is correct
21 Correct 56 ms 23240 KB Output is correct
22 Correct 53 ms 22360 KB Output is correct
23 Correct 64 ms 25928 KB Output is correct

Subtask #3
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 14160 KB Output is correct
2 Correct 4 ms 14160 KB Output is correct
3 Correct 5 ms 14160 KB Output is correct
4 Correct 4 ms 13904 KB Output is correct
5 Correct 4 ms 13904 KB Output is correct
6 Correct 4 ms 14160 KB Output is correct
7 Correct 4 ms 13904 KB Output is correct
8 Correct 5 ms 14160 KB Output is correct
9 Correct 5 ms 14124 KB Output is correct
10 Correct 4 ms 13904 KB Output is correct
11 Correct 10 ms 15620 KB Output is correct
12 Correct 21 ms 16732 KB Output is correct
13 Correct 34 ms 22988 KB Output is correct
14 Correct 69 ms 25160 KB Output is correct
15 Correct 72 ms 26308 KB Output is correct
16 Correct 57 ms 23196 KB Output is correct
17 Correct 52 ms 22468 KB Output is correct
18 Correct 21 ms 16720 KB Output is correct
19 Correct 68 ms 25160 KB Output is correct
20 Correct 84 ms 25804 KB Output is correct
21 Correct 56 ms 23240 KB Output is correct
22 Correct 53 ms 22360 KB Output is correct
23 Correct 64 ms 25928 KB Output is correct
24 Correct 4 ms 14076 KB Output is correct
25 Correct 27 ms 15696 KB Output is correct
26 Correct 25 ms 16720 KB Output is correct
27 Correct 1389 ms 23092 KB Output is correct
28 Correct 248 ms 25120 KB Output is correct
29 Correct 1146 ms 25796 KB Output is correct
30 Correct 765 ms 23236 KB Output is correct
31 Correct 656 ms 22356 KB Output is correct
32 Correct 20 ms 16720 KB Output is correct
33 Correct 252 ms 25352 KB Output is correct
34 Correct 1174 ms 26312 KB Output is correct
35 Correct 766 ms 23236 KB Output is correct
36 Correct 692 ms 22468 KB Output is correct
37 Correct 170 ms 26092 KB Output is correct
38 Correct 1260 ms 31172 KB Output is correct