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Submission #979569

# Submission time Handle Problem Language Result Execution time Memory
979569 2024-05-11T07:52:21 Z vjudge1 Swapping Cities (APIO20_swap) C++17
0 / 100
 135 ms 14744 KB 
#include "swap.h"
#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N =3e5 + 9 , mod = 1e9 + 7;
ll  p[N][3] , sz[N]  ;

vector<pair<ll,ll>>vv;
int get(int x , vector<pair<ll,ll>>&vv ){
    if(vv.size())
        vv.pb({x , p[x][1] });
    return (p[x][0] == x ? x : get(p[x][0] , vv));
}
void join(int x , int y , ll k){
    x = get(x , vv) , y = get(y , vv);
    if(x != y){
        if(sz[x] < sz[y])
            swap(x , y);
        p[y][0] = x;
        p[y][1] = k;
        p[x][2] = min(p[y][2] , p[x][2]);
        sz[x] += sz[y];
    }else {
        p[y][2] = min(p[y][2] , k);
    }
}
void init(int n , int m , vector<int>v , vector<int>u , vector<int>c)
{
    vector<pair<ll,pair<ll,ll>>>vc;
    for(int i = 0; i <= n; i++)
        p[i][0] =  i , p[i][1] = 0, p[i][2] = 1e18 , sz[i] = 1;
    for(int i = 0; i < m; i++)
        vc.pb({c[i] , {v[i] + 1, u[i] + 1}});
    sort(all(vc));
    for(auto to : vc){
        join(to.se.fi , to.se.se , to.fi);
    }
}

int getMinimumFuelCapacity(int l, int r) {
        l++ , r++;

        vector<pair<ll,ll>>v1 = {{0 , 0}}, v2= {{-1 , 0}};
        get(l , v1);
        get(r , v2);
        ll x = v1.size() - 1,  y =  v2.size() - 1;
        ll mx = 0 , mn = 1e18;
        /*while(1){
            mn = min({mn , max(v1[x].se , p[v1[x].fi][2] )});
            if(v1[x].fi != v2[y].fi){
                mx = max({mx , v1[x].se , v2[y].se });
                break;
            }
            x-- , y--;
        }*/
        mx = max(mx , mn);
        /*while(1){
            if(v1[x].fi != v2[y].fi){
                mx = max({mx , v1[x].se , v2[y].se });
                break;
            }
            x-- , y--;
        }
        */
            mx = -1;
        return mx;
	return mx;
}
/*
int main(){
    init(5, 6, {0, 0, 1, 1, 1, 2}, {1, 2, 2, 3, 4, 3}, {4, 4, 1, 2, 10, 3});
    cout<<getMinimumFuelCapacity(1,2)<<"\n";
    cout<<getMinimumFuelCapacity(2,4)<<"\n";
    cout<<getMinimumFuelCapacity(0,1)<<"\n";
}*/

Compilation message

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:64:12: warning: unused variable 'x' [-Wunused-variable]
   64 |         ll x = v1.size() - 1,  y =  v2.size() - 1;
      |            ^
swap.cpp:64:32: warning: unused variable 'y' [-Wunused-variable]
   64 |         ll x = v1.size() - 1,  y =  v2.size() - 1;
      |                                ^

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2488 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2596 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 27 ms 10456 KB Output is correct
10 Correct 33 ms 12196 KB Output is correct
11 Correct 33 ms 11984 KB Output is correct
12 Correct 38 ms 12240 KB Output is correct
13 Correct 39 ms 13260 KB Output is correct
14 Correct 36 ms 10960 KB Output is correct
15 Correct 127 ms 13768 KB Output is correct
16 Correct 119 ms 14744 KB Output is correct
17 Correct 135 ms 14536 KB Output is correct
18 Correct 102 ms 13812 KB Output is correct
19 Incorrect 71 ms 5332 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2488 KB Output is correct
3 Incorrect 92 ms 13452 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2488 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2596 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Incorrect 0 ms 2392 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2392 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2488 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2596 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 27 ms 10456 KB Output is correct
10 Correct 33 ms 12196 KB Output is correct
11 Correct 33 ms 11984 KB Output is correct
12 Correct 38 ms 12240 KB Output is correct
13 Correct 39 ms 13260 KB Output is correct
14 Correct 36 ms 10960 KB Output is correct
15 Correct 127 ms 13768 KB Output is correct
16 Correct 119 ms 14744 KB Output is correct
17 Correct 135 ms 14536 KB Output is correct
18 Correct 102 ms 13812 KB Output is correct
19 Incorrect 92 ms 13452 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2392 KB Output isn't correct
2 Halted 0 ms 0 KB -