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Submission #959006

# Submission time Handle Problem Language Result Execution time Memory
959006 2024-04-07T11:20:29 Z maxFedorchuk Evacuation plan (IZhO18_plan) C++17
100 / 100
 887 ms 79912 KB 
#include <bits/stdc++.h>
using namespace std;

const int MX=5e5+10;
const int INF=1e9;

vector < pair < int , int > > mas[MX];

vector < pair < int , int > > zap[MX];
vector < int > pol[MX];
int ld[MX],sz[MX];
int ans[MX];

int vid[MX];

void ob(int a,int b,int vg)
{
    a=ld[a];
    b=ld[b];

    if(a==b)
    {
        return;
    }

    if(sz[a]<sz[b])
    {
        swap(a,b);
    }

    while(!pol[b].empty())
    {
        int zr=pol[b].back();
        pol[b].pop_back();
        sz[b]--;

        pol[a].push_back(zr);
        ld[zr]=a;
        sz[a]++;

        for(auto [vr,in]:zap[zr])
        {
            if(ld[zr]==ld[vr])
            {
                ans[in]=max(ans[in],vg);
            }
        }
    }
}

int main()
{
    //cin.tie(0);
    //ios_base::sync_with_stdio(0);

    int n,m,k,kzp;
    cin>>n>>m;

    int a,b,w;
    for(int i=1;i<=m;i++)
    {
        cin>>a>>b>>w;
        mas[a].push_back({b,w});
        mas[b].push_back({a,w});
    }

    fill(vid+1,vid+1+n,INF);

    priority_queue < pair < int , int > , vector < pair < int , int > > , greater < pair < int , int > > > q;
    cin>>k;
    for(int i=1;i<=k;i++)
    {
        cin>>a;
        vid[a]=0;
        q.push({0,a});
    }


    while(!q.empty())
    {
        int zar=q.top().second;
        q.pop();

        for(auto [vr,dr]:mas[zar])
        {
            if((vid[zar]+dr)<vid[vr])
            {
                vid[vr]=vid[zar]+dr;
                q.push({vid[vr],vr});
            }
        }
    }

    vector < pair < int , int > > alv;
    for(int i=1;i<=n;i++)
    {
        alv.push_back({vid[i],i});

        ld[i]=i;
        sz[i]=1;
        pol[i].push_back(i);
    }

    sort(alv.begin(),alv.end());
    reverse(alv.begin(),alv.end());

    cin>>kzp;
    for(int i=1;i<=kzp;i++)
    {
        cin>>a>>b;
        zap[a].push_back({b,i});
        zap[b].push_back({a,i});
    }

    set < int > vvv;
    for(auto [zn,vr]:alv)
    {
        vvv.insert(vr);
        for(auto u:mas[vr])
        {
            if(vvv.find(u.first)!=vvv.end())
            {
                ob(vr,u.first,zn);
            }
        }
    }

    for(int i=1;i<=kzp;i++)
    {
        cout<<ans[i]<<"\n";
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 41048 KB Output is correct
2 Correct 10 ms 41308 KB Output is correct
3 Correct 11 ms 41308 KB Output is correct
4 Correct 10 ms 41052 KB Output is correct
5 Correct 11 ms 41304 KB Output is correct
6 Correct 11 ms 41304 KB Output is correct
7 Correct 10 ms 41048 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 13 ms 41476 KB Output is correct
10 Correct 12 ms 41304 KB Output is correct
11 Correct 11 ms 41308 KB Output is correct
12 Correct 11 ms 41308 KB Output is correct
13 Correct 11 ms 41308 KB Output is correct
14 Correct 11 ms 41272 KB Output is correct
15 Correct 11 ms 41308 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 41048 KB Output is correct
2 Correct 10 ms 41308 KB Output is correct
3 Correct 11 ms 41308 KB Output is correct
4 Correct 10 ms 41052 KB Output is correct
5 Correct 11 ms 41304 KB Output is correct
6 Correct 11 ms 41304 KB Output is correct
7 Correct 10 ms 41048 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 13 ms 41476 KB Output is correct
10 Correct 12 ms 41304 KB Output is correct
11 Correct 11 ms 41308 KB Output is correct
12 Correct 11 ms 41308 KB Output is correct
13 Correct 11 ms 41308 KB Output is correct
14 Correct 11 ms 41272 KB Output is correct
15 Correct 11 ms 41308 KB Output is correct
16 Correct 260 ms 60792 KB Output is correct
17 Correct 844 ms 79552 KB Output is correct
18 Correct 64 ms 44768 KB Output is correct
19 Correct 253 ms 64848 KB Output is correct
20 Correct 828 ms 79376 KB Output is correct
21 Correct 426 ms 67468 KB Output is correct
22 Correct 250 ms 62388 KB Output is correct
23 Correct 887 ms 79308 KB Output is correct
24 Correct 810 ms 79384 KB Output is correct
25 Correct 764 ms 79424 KB Output is correct
26 Correct 257 ms 64660 KB Output is correct
27 Correct 250 ms 64780 KB Output is correct
28 Correct 313 ms 64660 KB Output is correct
29 Correct 297 ms 64880 KB Output is correct
30 Correct 291 ms 64780 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 41052 KB Output is correct
2 Correct 11 ms 41060 KB Output is correct
3 Correct 10 ms 41256 KB Output is correct
4 Correct 10 ms 41052 KB Output is correct
5 Correct 12 ms 41288 KB Output is correct
6 Correct 10 ms 41052 KB Output is correct
7 Correct 10 ms 41052 KB Output is correct
8 Correct 11 ms 41304 KB Output is correct
9 Correct 11 ms 41052 KB Output is correct
10 Correct 10 ms 41216 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 334 ms 61968 KB Output is correct
2 Correct 773 ms 74172 KB Output is correct
3 Correct 742 ms 74172 KB Output is correct
4 Correct 184 ms 57608 KB Output is correct
5 Correct 726 ms 74172 KB Output is correct
6 Correct 691 ms 74184 KB Output is correct
7 Correct 707 ms 74504 KB Output is correct
8 Correct 676 ms 74028 KB Output is correct
9 Correct 750 ms 74104 KB Output is correct
10 Correct 660 ms 74084 KB Output is correct
11 Correct 727 ms 74008 KB Output is correct
12 Correct 660 ms 74256 KB Output is correct
13 Correct 762 ms 74156 KB Output is correct
14 Correct 685 ms 74184 KB Output is correct
15 Correct 708 ms 74176 KB Output is correct
16 Correct 723 ms 74384 KB Output is correct
17 Correct 708 ms 74040 KB Output is correct
18 Correct 688 ms 74156 KB Output is correct
19 Correct 159 ms 57032 KB Output is correct
20 Correct 754 ms 74216 KB Output is correct
21 Correct 638 ms 74496 KB Output is correct
22 Correct 237 ms 59116 KB Output is correct
23 Correct 195 ms 59340 KB Output is correct
24 Correct 231 ms 59208 KB Output is correct
25 Correct 179 ms 59112 KB Output is correct
26 Correct 224 ms 60008 KB Output is correct
27 Correct 166 ms 57572 KB Output is correct
28 Correct 178 ms 59200 KB Output is correct
29 Correct 161 ms 57536 KB Output is correct
30 Correct 165 ms 59084 KB Output is correct
31 Correct 175 ms 57600 KB Output is correct

Subtask #5
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 41048 KB Output is correct
2 Correct 10 ms 41308 KB Output is correct
3 Correct 11 ms 41308 KB Output is correct
4 Correct 10 ms 41052 KB Output is correct
5 Correct 11 ms 41304 KB Output is correct
6 Correct 11 ms 41304 KB Output is correct
7 Correct 10 ms 41048 KB Output is correct
8 Correct 10 ms 41048 KB Output is correct
9 Correct 13 ms 41476 KB Output is correct
10 Correct 12 ms 41304 KB Output is correct
11 Correct 11 ms 41308 KB Output is correct
12 Correct 11 ms 41308 KB Output is correct
13 Correct 11 ms 41308 KB Output is correct
14 Correct 11 ms 41272 KB Output is correct
15 Correct 11 ms 41308 KB Output is correct
16 Correct 260 ms 60792 KB Output is correct
17 Correct 844 ms 79552 KB Output is correct
18 Correct 64 ms 44768 KB Output is correct
19 Correct 253 ms 64848 KB Output is correct
20 Correct 828 ms 79376 KB Output is correct
21 Correct 426 ms 67468 KB Output is correct
22 Correct 250 ms 62388 KB Output is correct
23 Correct 887 ms 79308 KB Output is correct
24 Correct 810 ms 79384 KB Output is correct
25 Correct 764 ms 79424 KB Output is correct
26 Correct 257 ms 64660 KB Output is correct
27 Correct 250 ms 64780 KB Output is correct
28 Correct 313 ms 64660 KB Output is correct
29 Correct 297 ms 64880 KB Output is correct
30 Correct 291 ms 64780 KB Output is correct
31 Correct 10 ms 41052 KB Output is correct
32 Correct 11 ms 41060 KB Output is correct
33 Correct 10 ms 41256 KB Output is correct
34 Correct 10 ms 41052 KB Output is correct
35 Correct 12 ms 41288 KB Output is correct
36 Correct 10 ms 41052 KB Output is correct
37 Correct 10 ms 41052 KB Output is correct
38 Correct 11 ms 41304 KB Output is correct
39 Correct 11 ms 41052 KB Output is correct
40 Correct 10 ms 41216 KB Output is correct
41 Correct 334 ms 61968 KB Output is correct
42 Correct 773 ms 74172 KB Output is correct
43 Correct 742 ms 74172 KB Output is correct
44 Correct 184 ms 57608 KB Output is correct
45 Correct 726 ms 74172 KB Output is correct
46 Correct 691 ms 74184 KB Output is correct
47 Correct 707 ms 74504 KB Output is correct
48 Correct 676 ms 74028 KB Output is correct
49 Correct 750 ms 74104 KB Output is correct
50 Correct 660 ms 74084 KB Output is correct
51 Correct 727 ms 74008 KB Output is correct
52 Correct 660 ms 74256 KB Output is correct
53 Correct 762 ms 74156 KB Output is correct
54 Correct 685 ms 74184 KB Output is correct
55 Correct 708 ms 74176 KB Output is correct
56 Correct 723 ms 74384 KB Output is correct
57 Correct 708 ms 74040 KB Output is correct
58 Correct 688 ms 74156 KB Output is correct
59 Correct 159 ms 57032 KB Output is correct
60 Correct 754 ms 74216 KB Output is correct
61 Correct 638 ms 74496 KB Output is correct
62 Correct 237 ms 59116 KB Output is correct
63 Correct 195 ms 59340 KB Output is correct
64 Correct 231 ms 59208 KB Output is correct
65 Correct 179 ms 59112 KB Output is correct
66 Correct 224 ms 60008 KB Output is correct
67 Correct 166 ms 57572 KB Output is correct
68 Correct 178 ms 59200 KB Output is correct
69 Correct 161 ms 57536 KB Output is correct
70 Correct 165 ms 59084 KB Output is correct
71 Correct 175 ms 57600 KB Output is correct
72 Correct 433 ms 67272 KB Output is correct
73 Correct 775 ms 79304 KB Output is correct
74 Correct 776 ms 79504 KB Output is correct
75 Correct 786 ms 79276 KB Output is correct
76 Correct 741 ms 79480 KB Output is correct
77 Correct 736 ms 79360 KB Output is correct
78 Correct 758 ms 79328 KB Output is correct
79 Correct 727 ms 79180 KB Output is correct
80 Correct 759 ms 79424 KB Output is correct
81 Correct 795 ms 79160 KB Output is correct
82 Correct 804 ms 79448 KB Output is correct
83 Correct 772 ms 79316 KB Output is correct
84 Correct 736 ms 79228 KB Output is correct
85 Correct 773 ms 79384 KB Output is correct
86 Correct 763 ms 79256 KB Output is correct
87 Correct 755 ms 79376 KB Output is correct
88 Correct 795 ms 79912 KB Output is correct
89 Correct 264 ms 62660 KB Output is correct
90 Correct 795 ms 79296 KB Output is correct
91 Correct 711 ms 79200 KB Output is correct
92 Correct 304 ms 64428 KB Output is correct
93 Correct 264 ms 64604 KB Output is correct
94 Correct 280 ms 64088 KB Output is correct
95 Correct 259 ms 64328 KB Output is correct
96 Correct 287 ms 65048 KB Output is correct
97 Correct 225 ms 62916 KB Output is correct
98 Correct 257 ms 64096 KB Output is correct
99 Correct 249 ms 62844 KB Output is correct
100 Correct 293 ms 64396 KB Output is correct