oj.uz

Submission #566212

# Submission time Handle Problem Language Result Execution time Memory
566212 2022-05-22T06:37:24 Z zaneyu Swapping Cities (APIO20_swap) C++14
37 / 100
 2000 ms 22112 KB 
/*input
5 6
0 1 4
0 2 4
1 2 1
1 3 2
1 4 10
2 3 3
3
1 2
2 4
0 1

*/
#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;
vector<pii> g[maxn];
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]}});
        g[U[i]].pb({V[i],W[i]});
        g[V[i]].pb({U[i],W[i]});
    }
    sort(ALL(ed));
}
int par[maxn];
pair<bool,pii> cmp[maxn];
int find(int u){
    if(par[u]==u) return u;
    return par[u]=find(par[u]);
}
vector<int> v[maxn];
void merge(int a,int b){
    int oa=a,ob=b;
    a=find(a),b=find(b);
    if(a==b){
        cmp[a].f=0;
        return;
    }
    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 cmp[a].f=0;
    }
    else cmp[a].f=0;
}
const int INF=0x3f3f3f3f;
int getMinimumFuelCapacity(int x, int y) {
    REP(i,n) par[i]=i,v[i].clear(),cmp[i]={1,{i,i}};
    int ans=-1;
    for(auto a:ed){
        merge(a.s.f,a.s.s);
        if(find(x)==find(y)){
            if(!cmp[find(x)].f){
                return a.f;
            }
        }
    }
    return -1;
}

Compilation message

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:70:9: warning: unused variable 'ans' [-Wunused-variable]
   70 |     int ans=-1;
      |         ^~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 3 ms 5012 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 4 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 49 ms 12376 KB Output is correct
10 Correct 72 ms 13716 KB Output is correct
11 Correct 85 ms 13656 KB Output is correct
12 Correct 84 ms 14168 KB Output is correct
13 Correct 73 ms 14440 KB Output is correct
14 Execution timed out 2054 ms 12732 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Execution timed out 2060 ms 18456 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 3 ms 5012 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 4 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 4 ms 5008 KB Output is correct
10 Correct 4 ms 5076 KB Output is correct
11 Correct 3 ms 5076 KB Output is correct
12 Correct 3 ms 5076 KB Output is correct
13 Correct 4 ms 5076 KB Output is correct
14 Correct 4 ms 5076 KB Output is correct
15 Correct 4 ms 5020 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 4 ms 5016 KB Output is correct
18 Correct 4 ms 5020 KB Output is correct
19 Correct 4 ms 5076 KB Output is correct
20 Correct 4 ms 5076 KB Output is correct
21 Correct 4 ms 5076 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 4 ms 5076 KB Output is correct
24 Correct 5 ms 5144 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5148 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5008 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 5012 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 4 ms 5076 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 49 ms 12376 KB Output is correct
11 Correct 72 ms 13716 KB Output is correct
12 Correct 85 ms 13656 KB Output is correct
13 Correct 84 ms 14168 KB Output is correct
14 Correct 73 ms 14440 KB Output is correct
15 Correct 4 ms 5076 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 5076 KB Output is correct
18 Correct 4 ms 5076 KB Output is correct
19 Correct 4 ms 5076 KB Output is correct
20 Correct 4 ms 5020 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 5016 KB Output is correct
23 Correct 4 ms 5020 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 5 ms 5144 KB Output is correct
30 Correct 4 ms 5076 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5148 KB Output is correct
34 Correct 11 ms 6484 KB Output is correct
35 Correct 90 ms 13868 KB Output is correct
36 Correct 79 ms 13800 KB Output is correct
37 Correct 73 ms 13752 KB Output is correct
38 Correct 72 ms 13692 KB Output is correct
39 Correct 83 ms 13824 KB Output is correct
40 Correct 79 ms 13100 KB Output is correct
41 Correct 82 ms 14156 KB Output is correct
42 Correct 78 ms 13864 KB Output is correct
43 Correct 70 ms 13980 KB Output is correct
44 Correct 84 ms 14568 KB Output is correct
45 Correct 119 ms 18816 KB Output is correct
46 Correct 73 ms 13752 KB Output is correct
47 Correct 81 ms 13880 KB Output is correct
48 Correct 96 ms 14692 KB Output is correct
49 Correct 70 ms 18200 KB Output is correct
50 Correct 71 ms 14904 KB Output is correct
51 Correct 94 ms 16240 KB Output is correct
52 Correct 124 ms 19712 KB Output is correct
53 Correct 121 ms 20712 KB Output is correct
54 Correct 151 ms 22112 KB Output is correct
55 Correct 68 ms 13876 KB Output is correct
56 Correct 136 ms 20240 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 3 ms 5012 KB Output is correct
5 Correct 3 ms 5076 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 4 ms 5076 KB Output is correct
8 Correct 3 ms 5076 KB Output is correct
9 Correct 49 ms 12376 KB Output is correct
10 Correct 72 ms 13716 KB Output is correct
11 Correct 85 ms 13656 KB Output is correct
12 Correct 84 ms 14168 KB Output is correct
13 Correct 73 ms 14440 KB Output is correct
14 Execution timed out 2054 ms 12732 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5008 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 5012 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 5076 KB Output is correct
8 Correct 4 ms 5076 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 49 ms 12376 KB Output is correct
11 Correct 72 ms 13716 KB Output is correct
12 Correct 85 ms 13656 KB Output is correct
13 Correct 84 ms 14168 KB Output is correct
14 Correct 73 ms 14440 KB Output is correct
15 Execution timed out 2054 ms 12732 KB Time limit exceeded
16 Halted 0 ms 0 KB -