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Submission #1030204

# Submission time Handle Problem Language Result Execution time Memory
1030204 2024-07-21T23:00:29 Z vjudge1 Swapping Cities (APIO20_swap) C++17
100 / 100
 538 ms 63176 KB 
#include "swap.h"

#include <bits/stdc++.h>
using namespace std;
vector<tuple<int,int,int>> edg;
int minyes[100100],abp[100100];
map<int,int> unpersist[100100];
vector<int>v[100100];
vector<pair<int,int>> roots;
int derot,N_;
void upd(int t,int p,int v){
    unpersist[p][t]=v;
}
void do_a_merge(int &x,int &y,int t){
    if(v[x].size()<v[y].size())
        swap(x,y);
    for(auto k:v[y])
        upd(t,k,x),abp[k]=x,v[x].push_back(k);
    v[y].clear();
}
int par[100100],deg[100100];
bitset<100100>yes;
void init(int N,int M,vector<int>U,vector<int>V,vector<int>W) {
    for(int i=1;i<=N;i++)
        unpersist[i][-1]=i,abp[i]=i;
    N_=N;
    for(int i=1;i<=N;i++)
        v[i].push_back(i);
    for(int i=0;i<M;i++)
        edg.push_back({W[i],++U[i],++V[i]});
    for(auto&i:minyes)i=1e9+1;
    sort(edg.begin(),edg.end());
    int prevW=get<0>(edg[0]);
    for(auto[w,u,v]:edg){
        deg[u]++,deg[v]++;
        if(deg[u]>2&&!yes[abp[u]])
            yes[abp[u]]=1,minyes[abp[u]]=w;
        if(deg[v]>2&&!yes[abp[v]])
            yes[abp[v]]=1,minyes[abp[v]]=w;
        u=abp[u],v=abp[v];
        if(u-v) {
            do_a_merge(u,v,w);
            if(!yes[u]&&yes[v])
                yes[u]=1,minyes[u]=w;
        } else if(!yes[v])
            yes[v]=1,minyes[v]=w;
        prevW=w;
    }
}
int ok(int t,int x,int y){
    x=(--unpersist[x].upper_bound(t))->second;
    y=(--unpersist[y].upper_bound(t))->second;
    return x==y&&minyes[x]<=t;
}
int getMinimumFuelCapacity(int X,int Y) {
    ++X,++Y;
    int l=1,r=1e9,res=-1;
    while(l<=r){
        int mid=l+r>>1;
        if(ok(mid,X,Y)){
            r=mid-1,res=mid;
        } else {
            l=mid+1;
        }
    }
    return res;
}

Compilation message

swap.cpp: In function 'void init(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
swap.cpp:33:9: warning: variable 'prevW' set but not used [-Wunused-but-set-variable]
   33 |     int prevW=get<0>(edg[0]);
      |         ^~~~~
swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:59:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   59 |         int mid=l+r>>1;
      |                 ~^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7840 KB Output is correct
3 Correct 4 ms 7760 KB Output is correct
4 Correct 4 ms 7816 KB Output is correct
5 Correct 5 ms 8028 KB Output is correct
6 Correct 5 ms 8028 KB Output is correct
7 Correct 4 ms 8028 KB Output is correct
8 Correct 4 ms 8028 KB Output is correct
9 Correct 127 ms 42944 KB Output is correct
10 Correct 209 ms 50132 KB Output is correct
11 Correct 190 ms 49340 KB Output is correct
12 Correct 203 ms 52164 KB Output is correct
13 Correct 77 ms 29600 KB Output is correct
14 Correct 154 ms 42732 KB Output is correct
15 Correct 470 ms 55368 KB Output is correct
16 Correct 521 ms 53876 KB Output is correct
17 Correct 538 ms 56884 KB Output is correct
18 Correct 209 ms 33624 KB Output is correct
19 Correct 123 ms 19076 KB Output is correct
20 Correct 458 ms 56552 KB Output is correct
21 Correct 510 ms 55116 KB Output is correct
22 Correct 522 ms 58204 KB Output is correct
23 Correct 201 ms 35032 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7840 KB Output is correct
3 Correct 194 ms 30896 KB Output is correct
4 Correct 239 ms 31556 KB Output is correct
5 Correct 212 ms 31580 KB Output is correct
6 Correct 201 ms 31420 KB Output is correct
7 Correct 192 ms 31556 KB Output is correct
8 Correct 189 ms 30844 KB Output is correct
9 Correct 189 ms 31320 KB Output is correct
10 Correct 199 ms 30708 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7840 KB Output is correct
3 Correct 4 ms 7760 KB Output is correct
4 Correct 4 ms 7816 KB Output is correct
5 Correct 5 ms 8028 KB Output is correct
6 Correct 5 ms 8028 KB Output is correct
7 Correct 4 ms 8028 KB Output is correct
8 Correct 4 ms 8028 KB Output is correct
9 Correct 3 ms 7772 KB Output is correct
10 Correct 4 ms 8028 KB Output is correct
11 Correct 4 ms 8028 KB Output is correct
12 Correct 4 ms 8028 KB Output is correct
13 Correct 3 ms 8024 KB Output is correct
14 Correct 3 ms 8028 KB Output is correct
15 Correct 4 ms 8028 KB Output is correct
16 Correct 3 ms 8024 KB Output is correct
17 Correct 5 ms 8028 KB Output is correct
18 Correct 4 ms 8028 KB Output is correct
19 Correct 4 ms 8028 KB Output is correct
20 Correct 4 ms 8028 KB Output is correct
21 Correct 4 ms 8028 KB Output is correct
22 Correct 4 ms 8028 KB Output is correct
23 Correct 4 ms 8028 KB Output is correct
24 Correct 4 ms 8024 KB Output is correct
25 Correct 4 ms 8028 KB Output is correct
26 Correct 6 ms 8284 KB Output is correct
27 Correct 4 ms 8028 KB Output is correct
28 Correct 4 ms 8028 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7772 KB Output is correct
3 Correct 3 ms 7840 KB Output is correct
4 Correct 4 ms 7760 KB Output is correct
5 Correct 4 ms 7816 KB Output is correct
6 Correct 5 ms 8028 KB Output is correct
7 Correct 5 ms 8028 KB Output is correct
8 Correct 4 ms 8028 KB Output is correct
9 Correct 4 ms 8028 KB Output is correct
10 Correct 127 ms 42944 KB Output is correct
11 Correct 209 ms 50132 KB Output is correct
12 Correct 190 ms 49340 KB Output is correct
13 Correct 203 ms 52164 KB Output is correct
14 Correct 77 ms 29600 KB Output is correct
15 Correct 4 ms 8028 KB Output is correct
16 Correct 4 ms 8028 KB Output is correct
17 Correct 4 ms 8028 KB Output is correct
18 Correct 3 ms 8024 KB Output is correct
19 Correct 3 ms 8028 KB Output is correct
20 Correct 4 ms 8028 KB Output is correct
21 Correct 3 ms 8024 KB Output is correct
22 Correct 5 ms 8028 KB Output is correct
23 Correct 4 ms 8028 KB Output is correct
24 Correct 4 ms 8028 KB Output is correct
25 Correct 4 ms 8028 KB Output is correct
26 Correct 4 ms 8028 KB Output is correct
27 Correct 4 ms 8028 KB Output is correct
28 Correct 4 ms 8028 KB Output is correct
29 Correct 4 ms 8024 KB Output is correct
30 Correct 4 ms 8028 KB Output is correct
31 Correct 6 ms 8284 KB Output is correct
32 Correct 4 ms 8028 KB Output is correct
33 Correct 4 ms 8028 KB Output is correct
34 Correct 14 ms 12316 KB Output is correct
35 Correct 181 ms 51528 KB Output is correct
36 Correct 227 ms 50388 KB Output is correct
37 Correct 218 ms 48720 KB Output is correct
38 Correct 198 ms 46028 KB Output is correct
39 Correct 152 ms 45000 KB Output is correct
40 Correct 128 ms 40604 KB Output is correct
41 Correct 204 ms 53192 KB Output is correct
42 Correct 201 ms 52936 KB Output is correct
43 Correct 67 ms 28496 KB Output is correct
44 Correct 136 ms 43924 KB Output is correct
45 Correct 91 ms 31420 KB Output is correct
46 Correct 160 ms 50508 KB Output is correct
47 Correct 142 ms 39828 KB Output is correct
48 Correct 91 ms 32456 KB Output is correct
49 Correct 46 ms 17092 KB Output is correct
50 Correct 37 ms 15684 KB Output is correct
51 Correct 79 ms 27300 KB Output is correct
52 Correct 213 ms 51176 KB Output is correct
53 Correct 138 ms 40096 KB Output is correct
54 Correct 231 ms 58212 KB Output is correct
55 Correct 90 ms 28712 KB Output is correct
56 Correct 145 ms 37316 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7840 KB Output is correct
3 Correct 4 ms 7760 KB Output is correct
4 Correct 4 ms 7816 KB Output is correct
5 Correct 5 ms 8028 KB Output is correct
6 Correct 5 ms 8028 KB Output is correct
7 Correct 4 ms 8028 KB Output is correct
8 Correct 4 ms 8028 KB Output is correct
9 Correct 127 ms 42944 KB Output is correct
10 Correct 209 ms 50132 KB Output is correct
11 Correct 190 ms 49340 KB Output is correct
12 Correct 203 ms 52164 KB Output is correct
13 Correct 77 ms 29600 KB Output is correct
14 Correct 154 ms 42732 KB Output is correct
15 Correct 470 ms 55368 KB Output is correct
16 Correct 521 ms 53876 KB Output is correct
17 Correct 538 ms 56884 KB Output is correct
18 Correct 209 ms 33624 KB Output is correct
19 Correct 194 ms 30896 KB Output is correct
20 Correct 239 ms 31556 KB Output is correct
21 Correct 212 ms 31580 KB Output is correct
22 Correct 201 ms 31420 KB Output is correct
23 Correct 192 ms 31556 KB Output is correct
24 Correct 189 ms 30844 KB Output is correct
25 Correct 189 ms 31320 KB Output is correct
26 Correct 199 ms 30708 KB Output is correct
27 Correct 4 ms 8028 KB Output is correct
28 Correct 4 ms 8028 KB Output is correct
29 Correct 4 ms 8028 KB Output is correct
30 Correct 3 ms 8024 KB Output is correct
31 Correct 3 ms 8028 KB Output is correct
32 Correct 4 ms 8028 KB Output is correct
33 Correct 3 ms 8024 KB Output is correct
34 Correct 5 ms 8028 KB Output is correct
35 Correct 4 ms 8028 KB Output is correct
36 Correct 14 ms 12316 KB Output is correct
37 Correct 181 ms 51528 KB Output is correct
38 Correct 227 ms 50388 KB Output is correct
39 Correct 218 ms 48720 KB Output is correct
40 Correct 198 ms 46028 KB Output is correct
41 Correct 152 ms 45000 KB Output is correct
42 Correct 128 ms 40604 KB Output is correct
43 Correct 204 ms 53192 KB Output is correct
44 Correct 201 ms 52936 KB Output is correct
45 Correct 67 ms 28496 KB Output is correct
46 Correct 136 ms 43924 KB Output is correct
47 Correct 31 ms 12516 KB Output is correct
48 Correct 425 ms 56620 KB Output is correct
49 Correct 415 ms 54860 KB Output is correct
50 Correct 410 ms 54356 KB Output is correct
51 Correct 437 ms 52276 KB Output is correct
52 Correct 331 ms 47924 KB Output is correct
53 Correct 319 ms 37060 KB Output is correct
54 Correct 393 ms 57148 KB Output is correct
55 Correct 466 ms 58436 KB Output is correct
56 Correct 210 ms 34228 KB Output is correct
57 Correct 396 ms 48448 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 3 ms 7772 KB Output is correct
3 Correct 3 ms 7840 KB Output is correct
4 Correct 4 ms 7760 KB Output is correct
5 Correct 4 ms 7816 KB Output is correct
6 Correct 5 ms 8028 KB Output is correct
7 Correct 5 ms 8028 KB Output is correct
8 Correct 4 ms 8028 KB Output is correct
9 Correct 4 ms 8028 KB Output is correct
10 Correct 127 ms 42944 KB Output is correct
11 Correct 209 ms 50132 KB Output is correct
12 Correct 190 ms 49340 KB Output is correct
13 Correct 203 ms 52164 KB Output is correct
14 Correct 77 ms 29600 KB Output is correct
15 Correct 154 ms 42732 KB Output is correct
16 Correct 470 ms 55368 KB Output is correct
17 Correct 521 ms 53876 KB Output is correct
18 Correct 538 ms 56884 KB Output is correct
19 Correct 209 ms 33624 KB Output is correct
20 Correct 194 ms 30896 KB Output is correct
21 Correct 239 ms 31556 KB Output is correct
22 Correct 212 ms 31580 KB Output is correct
23 Correct 201 ms 31420 KB Output is correct
24 Correct 192 ms 31556 KB Output is correct
25 Correct 189 ms 30844 KB Output is correct
26 Correct 189 ms 31320 KB Output is correct
27 Correct 199 ms 30708 KB Output is correct
28 Correct 4 ms 8028 KB Output is correct
29 Correct 4 ms 8028 KB Output is correct
30 Correct 4 ms 8028 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8028 KB Output is correct
33 Correct 4 ms 8028 KB Output is correct
34 Correct 3 ms 8024 KB Output is correct
35 Correct 5 ms 8028 KB Output is correct
36 Correct 4 ms 8028 KB Output is correct
37 Correct 14 ms 12316 KB Output is correct
38 Correct 181 ms 51528 KB Output is correct
39 Correct 227 ms 50388 KB Output is correct
40 Correct 218 ms 48720 KB Output is correct
41 Correct 198 ms 46028 KB Output is correct
42 Correct 152 ms 45000 KB Output is correct
43 Correct 128 ms 40604 KB Output is correct
44 Correct 204 ms 53192 KB Output is correct
45 Correct 201 ms 52936 KB Output is correct
46 Correct 67 ms 28496 KB Output is correct
47 Correct 136 ms 43924 KB Output is correct
48 Correct 31 ms 12516 KB Output is correct
49 Correct 425 ms 56620 KB Output is correct
50 Correct 415 ms 54860 KB Output is correct
51 Correct 410 ms 54356 KB Output is correct
52 Correct 437 ms 52276 KB Output is correct
53 Correct 331 ms 47924 KB Output is correct
54 Correct 319 ms 37060 KB Output is correct
55 Correct 393 ms 57148 KB Output is correct
56 Correct 466 ms 58436 KB Output is correct
57 Correct 210 ms 34228 KB Output is correct
58 Correct 396 ms 48448 KB Output is correct
59 Correct 123 ms 19076 KB Output is correct
60 Correct 458 ms 56552 KB Output is correct
61 Correct 510 ms 55116 KB Output is correct
62 Correct 522 ms 58204 KB Output is correct
63 Correct 201 ms 35032 KB Output is correct
64 Correct 4 ms 8028 KB Output is correct
65 Correct 4 ms 8028 KB Output is correct
66 Correct 4 ms 8028 KB Output is correct
67 Correct 4 ms 8028 KB Output is correct
68 Correct 4 ms 8028 KB Output is correct
69 Correct 4 ms 8024 KB Output is correct
70 Correct 4 ms 8028 KB Output is correct
71 Correct 6 ms 8284 KB Output is correct
72 Correct 4 ms 8028 KB Output is correct
73 Correct 4 ms 8028 KB Output is correct
74 Correct 91 ms 31420 KB Output is correct
75 Correct 160 ms 50508 KB Output is correct
76 Correct 142 ms 39828 KB Output is correct
77 Correct 91 ms 32456 KB Output is correct
78 Correct 46 ms 17092 KB Output is correct
79 Correct 37 ms 15684 KB Output is correct
80 Correct 79 ms 27300 KB Output is correct
81 Correct 213 ms 51176 KB Output is correct
82 Correct 138 ms 40096 KB Output is correct
83 Correct 231 ms 58212 KB Output is correct
84 Correct 90 ms 28712 KB Output is correct
85 Correct 145 ms 37316 KB Output is correct
86 Correct 61 ms 17716 KB Output is correct
87 Correct 401 ms 52784 KB Output is correct
88 Correct 350 ms 53556 KB Output is correct
89 Correct 211 ms 36164 KB Output is correct
90 Correct 196 ms 20956 KB Output is correct
91 Correct 160 ms 22504 KB Output is correct
92 Correct 229 ms 32300 KB Output is correct
93 Correct 364 ms 53660 KB Output is correct
94 Correct 293 ms 45752 KB Output is correct
95 Correct 450 ms 63176 KB Output is correct
96 Correct 195 ms 34140 KB Output is correct
97 Correct 267 ms 40840 KB Output is correct