oj.uz

답안 #1065285

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065285 2024-08-19T05:55:41 Z LittleOrange 봉쇄 시간 (IOI23_closing) C++17
17 / 100
 1000 ms 34712 KB 
#include "closing.h"

#include <vector>
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const ll big = 2e18;
struct line{
    ll i,w;
};
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W){
    ll n = N;
    ll x = X;
    ll y = Y;
    ll k = K;
    vector<vector<line>> con(n);
    ll is_line = 1;
    for(ll i = 0;i<n-1;i++){
        con[U[i]].push_back({V[i],W[i]});
        con[V[i]].push_back({U[i],W[i]});
        if(U[i]!=i||V[i]!=i+1) is_line = 0;
    }
    if (is_line){
        auto &w = W;
        vector<ll> pw(n,0);
        for(ll i = 0;i<n-1;i++) pw[i+1] = pw[i]+w[i];/*
        vector<ll> v,cc(n,0);
        for(ll i = 0;i<x;i++){
            v.push_back(cc[i] = pw[x]-pw[i]);
        }
        for(ll i = y+1;i<n;i++){
            v.push_back(cc[i] = pw[i]-pw[y]);
        }
        vector<ll> pc(n+1,0);
        for(ll i = 0;i<n;i++) pc[i+1] = cc[i]+pc[i];
        sort(v.begin(),v.end());
        for(ll i = 1;i<v.size();i++) v[i]+=v[i-1];
        ll ans = 0;
        vector<ll> h(n,0),h1(n,0);
        ll lv1 = 0;
        for(ll i = x;i<n;i++){
            h[i] = pw[i]-pw[x];
            h1 = h;
            lv1 += h[i];
            ll lv2 = lv1;
            for(ll j = y;j>=0;j--){
                h1[j] = max(h[j],pw[y]-pw[j]);
                lv2 += max(pw[y]-pw[j]-h[j],0ll);
                if (lv2>k) break;
                ll g = 2+i-x+y-j;
                vector<ll> v;
                for(ll p = 0;p<x;p++){
                    v.push_back(max(0ll,pw[x]-pw[p]-h[p]));
                }
                for(ll p = y+1;p<n;p++){
                    v.push_back(max(0ll,pw[p]-pw[y]-h[p]));
                }
                sort(v.begin(),v.end());
                ll cur = lv2;
                for(ll i : v) if(cur+i<=k){
                    cur += i;
                    g++;
                }
                ans = max(ans,g);
            }
        }*/
        ll ans = 0;
        ll v1 = 0;
        for(ll a = x;a>=0;a--){
            v1 += abs(pw[a]-pw[x]);
            ll v2 = v1;
            for(ll b = x;b<n;b++){
                v2 += abs(pw[b]-pw[x]);
                ll v3 = v2;
                for(ll c = y;c>=0;c--){
                    v3 += max(0ll,abs(pw[c]-pw[y])-(c>=a&&c<=b?abs(pw[c]-pw[x]):0));
                    ll v4 = v3;
                    for(ll d = y;d<n;d++){
                        v4 += max(0ll,abs(pw[d]-pw[y])-(d>=a&&d<=b?abs(pw[d]-pw[x]):0));
                        if(v4<=k){
                            ans = max(ans,b-a+d-c+2);
                        }
                    }
                }
            }
        }
        return ans;
    }
    vector<ll> dis1(n,big),dis2(n,big);
    {
        function<void(ll,ll)> dfs;
        dfs = [&](ll i, ll v){
            if(dis1[i]>v){
                dis1[i] = v;
                for(auto [j,w] : con[i]){
                    dfs(j,v+w);
                }
            }
        };
        dfs(x,0);
    }
    {
        function<void(ll,ll)> dfs;
        dfs = [&](ll i, ll v){
            if(dis2[i]>v){
                dis2[i] = v;
                for(auto [j,w] : con[i]){
                    dfs(j,v+w);
                }
            }
        };
        dfs(y,0);
    }
    ll l = 0, r = big;
    while(l<r){
        ll m = l+r+1>>1;
        ll sm = 0;
        for(ll i = 0;i<n;i++){
            ll mi = min(dis1[i],dis2[i]);
            ll mx = max(dis1[i],dis2[i]);
            if(m>=mx) sm+=mx;
            else if(m>=mi) sm+=mi;
        }
        if(sm>k) r = m-1;
        else l = m;
    }
    ll cur = 0, ans = 0;
    vector<ll> v;
    for(ll i = 0;i<n;i++){
        ll mi = min(dis1[i],dis2[i]);
        ll mx = max(dis1[i],dis2[i]);
        if (mx<=l){
            cur += mx;
            ans += 2;
        }else if (mi<=l){
            cur += mi;
            ans += 1;
            if (mx==l+1){
                v.push_back(mx-mi);
            }
        }else if(mi==l+1){
            v.push_back(mi);
        }
    }
    sort(v.begin(),v.end());
    for(ll i : v){
        if(cur+i<=k){
            ans += 1;
            cur += i;
        }
    }
    return ans;
}

Compilation message

closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:117:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  117 |         ll m = l+r+1>>1;
      |                ~~~^~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 134 ms 28644 KB Output is correct
2 Correct 159 ms 34712 KB Output is correct
3 Correct 66 ms 2900 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 3 ms 440 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Execution timed out 1097 ms 348 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 3 ms 440 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Execution timed out 1097 ms 348 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
8 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
20 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Execution timed out 1097 ms 348 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Execution timed out 1097 ms 348 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 440 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Execution timed out 1097 ms 348 KB Time limit exceeded
21 Halted 0 ms 0 KB -