oj.uz

Submission #566218

# Submission time Handle Problem Language Result Execution time Memory
566218 2022-05-22T06:52:17 Z zaneyu Swapping Cities (APIO20_swap) C++14
100 / 100
 440 ms 39192 KB 
/*input
3 2
0 1 5
0 2 5
1
1 2


*/
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define ALL(x) x.begin(),x.end()
#define pii pair<int,int>
#define f first
#define s second
#define MXTO(a,b) a=max(a,b)
#define MNTO(a,b) a=min(a,b)
#define sz(x) (int)x.size()
#define pb push_back
const int maxn=1e5+5;
vector<pair<int,pii>> ed;
int n,m;
int par[maxn];
pair<bool,pii> cmp[maxn];
vector<int> vv[maxn];
int find(int u){
    if(par[u]==u) return u;
    return par[u]=find(par[u]);
}
vector<pii> sp[maxn];
int sc[maxn];
const int INF=0x3f3f3f3f;
void merge(int t,int a,int b){
    int oa=a,ob=b;
    a=find(a),b=find(b);
    if(a==b){
        if(sc[a]==INF) sc[a]=t;
        cmp[a].f=0;
        return;
    }
    if(sz(vv[a])<sz(vv[b])) swap(a,b),swap(oa,ob);
    par[b]=a;
    if(cmp[a].f and cmp[b].f){
        if((oa==cmp[a].s.f or oa==cmp[a].s.s) and (ob==cmp[b].s.f or ob==cmp[b].s.s)){
            cmp[a].f=1;
            if(oa==cmp[a].s.f) cmp[a].s.f=cmp[a].s.s;
            if(ob==cmp[b].s.f) cmp[a].s.s=cmp[b].s.s;
            else cmp[a].s.s=cmp[b].s.f;
        }
        else{
            if(sc[a]==INF) sc[a]=t;
            cmp[a].f=0;
        }
    }
    else{
        if(sc[a]==INF) sc[a]=t;
        cmp[a].f=0;
    }
    for(int x:vv[b]) sp[x].pb({t,a}),vv[a].pb(x);
    vv[b].clear();
}
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n=N,m=M;
    REP(i,M){
        ed.pb({W[i],{U[i],V[i]}});
    }
    sort(ALL(ed));
    REP(i,n) par[i]=i,cmp[i]={1,{i,i}},vv[i].pb(i),sc[i]=INF,sp[i].pb({-1,i});
    REP(i,m){
        auto a=ed[i];
        merge(i,a.s.f,a.s.s);
    }
}
int gp(int x,int t){
    return (*prev(upper_bound(ALL(sp[x]),make_pair(t,INF)))).s;
}
int getMinimumFuelCapacity(int x, int y) {
    int l=0,r=m-1;
    int a=gp(x,m-1),b=gp(y,m-1);
    if(a!=b or sc[a]==INF){
        return -1;
    }
    while(l<r){
        int mid=(l+r)/2;
        int a=gp(x,mid),b=gp(y,mid);
        if(a==b and sc[a]<=mid) r=mid;
        else l=mid+1;
    }
    return ed[l].f;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 133 ms 22524 KB Output is correct
10 Correct 178 ms 26176 KB Output is correct
11 Correct 161 ms 25752 KB Output is correct
12 Correct 192 ms 26992 KB Output is correct
13 Correct 124 ms 19688 KB Output is correct
14 Correct 140 ms 22580 KB Output is correct
15 Correct 252 ms 32844 KB Output is correct
16 Correct 259 ms 31988 KB Output is correct
17 Correct 245 ms 33404 KB Output is correct
18 Correct 195 ms 25960 KB Output is correct
19 Correct 116 ms 13708 KB Output is correct
20 Correct 309 ms 33692 KB Output is correct
21 Correct 333 ms 33136 KB Output is correct
22 Correct 361 ms 34808 KB Output is correct
23 Correct 219 ms 27256 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 226 ms 20032 KB Output is correct
4 Correct 214 ms 20392 KB Output is correct
5 Correct 207 ms 20384 KB Output is correct
6 Correct 232 ms 20364 KB Output is correct
7 Correct 217 ms 20472 KB Output is correct
8 Correct 206 ms 19948 KB Output is correct
9 Correct 261 ms 20216 KB Output is correct
10 Correct 213 ms 19900 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5076 KB Output is correct
11 Correct 5 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 5 ms 5076 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 4 ms 5204 KB Output is correct
16 Correct 3 ms 5204 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 3 ms 5164 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 3 ms 5204 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 4 ms 5204 KB Output is correct
25 Correct 4 ms 5204 KB Output is correct
26 Correct 4 ms 5204 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 5 ms 5164 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5204 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 133 ms 22524 KB Output is correct
11 Correct 178 ms 26176 KB Output is correct
12 Correct 161 ms 25752 KB Output is correct
13 Correct 192 ms 26992 KB Output is correct
14 Correct 124 ms 19688 KB Output is correct
15 Correct 3 ms 5076 KB Output is correct
16 Correct 5 ms 5076 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 5 ms 5076 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 4 ms 5204 KB Output is correct
21 Correct 3 ms 5204 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5164 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5204 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5204 KB Output is correct
31 Correct 4 ms 5204 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 5 ms 5164 KB Output is correct
34 Correct 15 ms 7616 KB Output is correct
35 Correct 166 ms 26856 KB Output is correct
36 Correct 167 ms 26644 KB Output is correct
37 Correct 173 ms 26272 KB Output is correct
38 Correct 174 ms 25364 KB Output is correct
39 Correct 168 ms 24968 KB Output is correct
40 Correct 132 ms 23020 KB Output is correct
41 Correct 185 ms 27304 KB Output is correct
42 Correct 186 ms 27296 KB Output is correct
43 Correct 104 ms 18896 KB Output is correct
44 Correct 164 ms 24716 KB Output is correct
45 Correct 119 ms 19636 KB Output is correct
46 Correct 183 ms 26684 KB Output is correct
47 Correct 153 ms 23184 KB Output is correct
48 Correct 116 ms 20384 KB Output is correct
49 Correct 65 ms 11936 KB Output is correct
50 Correct 48 ms 10116 KB Output is correct
51 Correct 92 ms 17072 KB Output is correct
52 Correct 222 ms 27964 KB Output is correct
53 Correct 164 ms 24112 KB Output is correct
54 Correct 215 ms 30780 KB Output is correct
55 Correct 123 ms 19056 KB Output is correct
56 Correct 149 ms 23012 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 5076 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 133 ms 22524 KB Output is correct
10 Correct 178 ms 26176 KB Output is correct
11 Correct 161 ms 25752 KB Output is correct
12 Correct 192 ms 26992 KB Output is correct
13 Correct 124 ms 19688 KB Output is correct
14 Correct 140 ms 22580 KB Output is correct
15 Correct 252 ms 32844 KB Output is correct
16 Correct 259 ms 31988 KB Output is correct
17 Correct 245 ms 33404 KB Output is correct
18 Correct 195 ms 25960 KB Output is correct
19 Correct 226 ms 20032 KB Output is correct
20 Correct 214 ms 20392 KB Output is correct
21 Correct 207 ms 20384 KB Output is correct
22 Correct 232 ms 20364 KB Output is correct
23 Correct 217 ms 20472 KB Output is correct
24 Correct 206 ms 19948 KB Output is correct
25 Correct 261 ms 20216 KB Output is correct
26 Correct 213 ms 19900 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 5 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 5 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 4 ms 5204 KB Output is correct
33 Correct 3 ms 5204 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5164 KB Output is correct
36 Correct 15 ms 7616 KB Output is correct
37 Correct 166 ms 26856 KB Output is correct
38 Correct 167 ms 26644 KB Output is correct
39 Correct 173 ms 26272 KB Output is correct
40 Correct 174 ms 25364 KB Output is correct
41 Correct 168 ms 24968 KB Output is correct
42 Correct 132 ms 23020 KB Output is correct
43 Correct 185 ms 27304 KB Output is correct
44 Correct 186 ms 27296 KB Output is correct
45 Correct 104 ms 18896 KB Output is correct
46 Correct 164 ms 24716 KB Output is correct
47 Correct 26 ms 8140 KB Output is correct
48 Correct 399 ms 33768 KB Output is correct
49 Correct 347 ms 33168 KB Output is correct
50 Correct 344 ms 32980 KB Output is correct
51 Correct 380 ms 32436 KB Output is correct
52 Correct 322 ms 30568 KB Output is correct
53 Correct 257 ms 25232 KB Output is correct
54 Correct 335 ms 34460 KB Output is correct
55 Correct 345 ms 34344 KB Output is correct
56 Correct 247 ms 26260 KB Output is correct
57 Correct 306 ms 31952 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 3 ms 5204 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 133 ms 22524 KB Output is correct
11 Correct 178 ms 26176 KB Output is correct
12 Correct 161 ms 25752 KB Output is correct
13 Correct 192 ms 26992 KB Output is correct
14 Correct 124 ms 19688 KB Output is correct
15 Correct 140 ms 22580 KB Output is correct
16 Correct 252 ms 32844 KB Output is correct
17 Correct 259 ms 31988 KB Output is correct
18 Correct 245 ms 33404 KB Output is correct
19 Correct 195 ms 25960 KB Output is correct
20 Correct 226 ms 20032 KB Output is correct
21 Correct 214 ms 20392 KB Output is correct
22 Correct 207 ms 20384 KB Output is correct
23 Correct 232 ms 20364 KB Output is correct
24 Correct 217 ms 20472 KB Output is correct
25 Correct 206 ms 19948 KB Output is correct
26 Correct 261 ms 20216 KB Output is correct
27 Correct 213 ms 19900 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 5 ms 5076 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 5 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5204 KB Output is correct
34 Correct 3 ms 5204 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5164 KB Output is correct
37 Correct 15 ms 7616 KB Output is correct
38 Correct 166 ms 26856 KB Output is correct
39 Correct 167 ms 26644 KB Output is correct
40 Correct 173 ms 26272 KB Output is correct
41 Correct 174 ms 25364 KB Output is correct
42 Correct 168 ms 24968 KB Output is correct
43 Correct 132 ms 23020 KB Output is correct
44 Correct 185 ms 27304 KB Output is correct
45 Correct 186 ms 27296 KB Output is correct
46 Correct 104 ms 18896 KB Output is correct
47 Correct 164 ms 24716 KB Output is correct
48 Correct 26 ms 8140 KB Output is correct
49 Correct 399 ms 33768 KB Output is correct
50 Correct 347 ms 33168 KB Output is correct
51 Correct 344 ms 32980 KB Output is correct
52 Correct 380 ms 32436 KB Output is correct
53 Correct 322 ms 30568 KB Output is correct
54 Correct 257 ms 25232 KB Output is correct
55 Correct 335 ms 34460 KB Output is correct
56 Correct 345 ms 34344 KB Output is correct
57 Correct 247 ms 26260 KB Output is correct
58 Correct 306 ms 31952 KB Output is correct
59 Correct 116 ms 13708 KB Output is correct
60 Correct 309 ms 33692 KB Output is correct
61 Correct 333 ms 33136 KB Output is correct
62 Correct 361 ms 34808 KB Output is correct
63 Correct 219 ms 27256 KB Output is correct
64 Correct 3 ms 5076 KB Output is correct
65 Correct 3 ms 5204 KB Output is correct
66 Correct 4 ms 5076 KB Output is correct
67 Correct 3 ms 5076 KB Output is correct
68 Correct 3 ms 5076 KB Output is correct
69 Correct 4 ms 5204 KB Output is correct
70 Correct 4 ms 5204 KB Output is correct
71 Correct 4 ms 5204 KB Output is correct
72 Correct 4 ms 5076 KB Output is correct
73 Correct 5 ms 5164 KB Output is correct
74 Correct 119 ms 19636 KB Output is correct
75 Correct 183 ms 26684 KB Output is correct
76 Correct 153 ms 23184 KB Output is correct
77 Correct 116 ms 20384 KB Output is correct
78 Correct 65 ms 11936 KB Output is correct
79 Correct 48 ms 10116 KB Output is correct
80 Correct 92 ms 17072 KB Output is correct
81 Correct 222 ms 27964 KB Output is correct
82 Correct 164 ms 24112 KB Output is correct
83 Correct 215 ms 30780 KB Output is correct
84 Correct 123 ms 19056 KB Output is correct
85 Correct 149 ms 23012 KB Output is correct
86 Correct 98 ms 12536 KB Output is correct
87 Correct 319 ms 32652 KB Output is correct
88 Correct 372 ms 32828 KB Output is correct
89 Correct 241 ms 26360 KB Output is correct
90 Correct 201 ms 18576 KB Output is correct
91 Correct 186 ms 18900 KB Output is correct
92 Correct 261 ms 24556 KB Output is correct
93 Correct 366 ms 35388 KB Output is correct
94 Correct 368 ms 32736 KB Output is correct
95 Correct 440 ms 39192 KB Output is correct
96 Correct 219 ms 26272 KB Output is correct
97 Correct 325 ms 29800 KB Output is correct