답안 #1061252

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1061252	2024-08-16T07:30:50 Z	12345678	Reconstruction Project (JOI22_reconstruction)	C++17	31 / 100	4288 ms	22844 KB

reconstruction

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define int long long
#pragma gcc-optimize("o3, unroll-loops")

const int nx=5e2+5, mx=1e3+5;

ll n, m, a[mx], b[mx], w[mx], x, q, L[nx], R[nx], dsu[nx];
vector<ll> dp[nx];
priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> add, rem;

int find(int x)
{
    if (dsu[x]==x) return x;
    return dsu[x]=find(dsu[x]);
}

bool isused(ll idx, ll cw)
{
    for (int i=1; i<=n; i++) dsu[i]=i;
    vector<pair<ll, ll>> v;
    for (int i=1; i<=m; i++) v.push_back({abs(w[i]-cw), i});
    sort(v.begin(), v.end());
    for (auto [_, i]:v)
    {
        if (find(a[i])==find(b[i])) 
        {
            if (i==idx) return 0;
            continue;
        }
        dsu[find(a[i])]=find(b[i]);
        if (i==idx) return 1;
    }
}

int32_t main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=m; i++) cin>>a[i]>>b[i]>>w[i];
    for (int i=1; i<=m; i++)
    {
        if (!isused(i, w[i])) continue;
        ll l=1, r=w[i];
        while (l<r)
        {
            ll md=(l+r)/2;
            if (isused(i, md)) r=md;
            else l=md+1;
        }
        add.push({l, i});
        l=w[i], r=2e9;
        while (l<r)
        {
            ll md=(l+r+1)/2;
            if (isused(i, md)) l=md;
            else r=md-1;
        }
        rem.push({l, i});
    }
    cin>>q;
    set<ll> edg;
    while (q--)
    {
        cin>>x;
        while (!add.empty()&&add.top().first<=x) edg.insert(add.top().second), add.pop();
        while (!rem.empty()&&rem.top().first<x) edg.erase(rem.top().second), rem.pop();
        ll res=0;
        for (auto tmp:edg) res+=abs(w[tmp]-x); //cout<<tmp<<' '<<a[tmp]<<' '<<b[tmp]<<' '<<w[tmp]<<'\n';
        cout<<res<<'\n'; 
        
    }
}

Compilation message

reconstruction.cpp:7: warning: ignoring '#pragma gcc ' [-Wunknown-pragmas]
    7 | #pragma gcc-optimize("o3, unroll-loops")
      | 
reconstruction.cpp: In function 'bool isused(long long int, long long int)':
reconstruction.cpp:24:26: warning: control reaches end of non-void function [-Wreturn-type]
   24 |     vector<pair<ll, ll>> v;
      |                          ^

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 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	Incorrect	7 ms	504 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3
0 / 7.0

#	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	1 ms	348 KB	Output is correct
4	Incorrect	182 ms	508 KB	Output isn't correct
5	Halted	0 ms	0 KB	-

Subtask #4
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 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	Correct	3847 ms	12792 KB	Output is correct
21	Correct	3813 ms	22396 KB	Output is correct
22	Correct	3774 ms	22352 KB	Output is correct
23	Correct	3854 ms	22352 KB	Output is correct
24	Correct	3853 ms	22404 KB	Output is correct
25	Correct	3781 ms	22432 KB	Output is correct
26	Correct	4094 ms	22360 KB	Output is correct
27	Correct	4288 ms	22304 KB	Output is correct
28	Correct	3926 ms	22280 KB	Output is correct
29	Correct	3935 ms	22316 KB	Output is correct
30	Correct	4243 ms	22384 KB	Output is correct
31	Correct	3859 ms	22132 KB	Output is correct
32	Correct	2678 ms	22844 KB	Output is correct
33	Correct	4014 ms	22360 KB	Output is correct

Subtask #5
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 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	Incorrect	7 ms	504 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 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	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 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	0 ms	344 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 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	Incorrect	7 ms	504 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

답안 #1061252

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 0 / 4.0

Subtask #3 0 / 7.0

Subtask #4 28.0 / 28.0

Subtask #5 0 / 35.0

Subtask #6 0 / 23.0

Subtask #1
3.0 / 3.0

Subtask #2
0 / 4.0

Subtask #3
0 / 7.0

Subtask #4
28.0 / 28.0

Subtask #5
0 / 35.0

Subtask #6
0 / 23.0