oj.uz

Submission #752820

# Submission time Handle Problem Language Result Execution time Memory
752820 2023-06-04T01:41:15 Z winter0101 Swapping Cities (APIO20_swap) C++14
100 / 100
 386 ms 46944 KB 
#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
using pii=pair<int,int>;
using pli=pair<long long,int>;
const int inf=1e9+7;
const int maxn=1e5+9;
const int maxm=2e5+9;
int lab[maxn+maxm];
vector<int>a[maxn+maxm];
int deg[maxn];
int val[maxn+maxm];
bool ck[maxn+maxm];
int findset(int u){
if (lab[u]==u)return u;
return lab[u]=findset(lab[u]);
}
int nnode=0;
int n,m;
void unite(int u,int v,int w){
bool fl=false;
deg[u]++;
deg[v]++;
fl=(deg[u]>2||deg[v]>2);
u=findset(u),v=findset(v);
fl|=(ck[u]|ck[v]);
if (u==v){
   ck[u]=1;
   val[u]=min(val[u],w);
   return;
}
nnode++;
val[nnode]=1e9+7;
a[nnode].pb(u);
a[nnode].pb(v);
lab[u]=nnode;
lab[nnode]=nnode;
lab[v]=nnode;
if (fl){
    ck[nnode]=1;
    val[nnode]=w;
}
return;
}
struct edg{
int u,v,w;
bool operator < (const edg &p)const {
return w<p.w;
}
};
vector<edg>b;
int st[maxn+maxm][20];
int dep[maxn+maxm];
void dfs(int u){
for (auto v:a[u]){
    val[v]=min(val[v],val[u]);
    st[v][0]=u;
    for1(i,1,19){
    st[v][i]=st[st[v][i-1]][i-1];
    }
    dep[v]=dep[u]+1;
    dfs(v);
}
}
int lca(int u,int v){
if (dep[u]<dep[v])swap(u,v);
int k=dep[u]-dep[v];
for1(i,0,19){
if (k>>i&1)u=st[u][i];
}
if (u==v)return u;
for2(i,19,0){
if (!st[u][i]||!st[v][i])continue;
if (st[u][i]!=st[v][i]){
    u=st[u][i];
    v=st[v][i];
}
}
return st[u][0];
}
void init(int N,int M,vector<int>u1,vector<int>v1,vector<int>w){
n=N;
nnode=n;
m=M;
for1(i,1,n){
lab[i]=i;
val[i]=1e9+7;
}
for1(i,0,m-1){
b.pb({u1[i]+1,v1[i]+1,w[i]});
}
sort(all(b));
for (auto v:b){
    unite(v.u,v.v,v.w);
}
for1(i,1,nnode){
if (val[i]==0){
    val[i]=1e9+7;
}
}
dfs(nnode);
}
int getMinimumFuelCapacity(int u,int v){
int vl=val[lca(u+1,v+1)];
if (vl==inf)vl=-1;
return vl;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7380 KB Output is correct
2 Correct 6 ms 7380 KB Output is correct
3 Correct 5 ms 7300 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 5 ms 7636 KB Output is correct
6 Correct 6 ms 7512 KB Output is correct
7 Correct 5 ms 7636 KB Output is correct
8 Correct 5 ms 7636 KB Output is correct
9 Correct 100 ms 28608 KB Output is correct
10 Correct 120 ms 33416 KB Output is correct
11 Correct 115 ms 33008 KB Output is correct
12 Correct 135 ms 34764 KB Output is correct
13 Correct 104 ms 38472 KB Output is correct
14 Correct 106 ms 29000 KB Output is correct
15 Correct 251 ms 37668 KB Output is correct
16 Correct 229 ms 36968 KB Output is correct
17 Correct 250 ms 38560 KB Output is correct
18 Correct 296 ms 42532 KB Output is correct
19 Correct 76 ms 16796 KB Output is correct
20 Correct 211 ms 38848 KB Output is correct
21 Correct 212 ms 38224 KB Output is correct
22 Correct 222 ms 40008 KB Output is correct
23 Correct 313 ms 43940 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7380 KB Output is correct
2 Correct 6 ms 7380 KB Output is correct
3 Correct 277 ms 45344 KB Output is correct
4 Correct 252 ms 46944 KB Output is correct
5 Correct 291 ms 46256 KB Output is correct
6 Correct 284 ms 46800 KB Output is correct
7 Correct 259 ms 46628 KB Output is correct
8 Correct 260 ms 45168 KB Output is correct
9 Correct 320 ms 46280 KB Output is correct
10 Correct 271 ms 44820 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7380 KB Output is correct
2 Correct 6 ms 7380 KB Output is correct
3 Correct 5 ms 7300 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 5 ms 7636 KB Output is correct
6 Correct 6 ms 7512 KB Output is correct
7 Correct 5 ms 7636 KB Output is correct
8 Correct 5 ms 7636 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 5 ms 7628 KB Output is correct
11 Correct 4 ms 7636 KB Output is correct
12 Correct 5 ms 7636 KB Output is correct
13 Correct 5 ms 7500 KB Output is correct
14 Correct 5 ms 7592 KB Output is correct
15 Correct 5 ms 7636 KB Output is correct
16 Correct 5 ms 7636 KB Output is correct
17 Correct 5 ms 7636 KB Output is correct
18 Correct 5 ms 7636 KB Output is correct
19 Correct 5 ms 7508 KB Output is correct
20 Correct 5 ms 7636 KB Output is correct
21 Correct 5 ms 7636 KB Output is correct
22 Correct 6 ms 7488 KB Output is correct
23 Correct 7 ms 7536 KB Output is correct
24 Correct 6 ms 7636 KB Output is correct
25 Correct 6 ms 7648 KB Output is correct
26 Correct 6 ms 7672 KB Output is correct
27 Correct 5 ms 7636 KB Output is correct
28 Correct 6 ms 7636 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 5 ms 7380 KB Output is correct
3 Correct 6 ms 7380 KB Output is correct
4 Correct 5 ms 7300 KB Output is correct
5 Correct 5 ms 7380 KB Output is correct
6 Correct 5 ms 7636 KB Output is correct
7 Correct 6 ms 7512 KB Output is correct
8 Correct 5 ms 7636 KB Output is correct
9 Correct 5 ms 7636 KB Output is correct
10 Correct 100 ms 28608 KB Output is correct
11 Correct 120 ms 33416 KB Output is correct
12 Correct 115 ms 33008 KB Output is correct
13 Correct 135 ms 34764 KB Output is correct
14 Correct 104 ms 38472 KB Output is correct
15 Correct 5 ms 7628 KB Output is correct
16 Correct 4 ms 7636 KB Output is correct
17 Correct 5 ms 7636 KB Output is correct
18 Correct 5 ms 7500 KB Output is correct
19 Correct 5 ms 7592 KB Output is correct
20 Correct 5 ms 7636 KB Output is correct
21 Correct 5 ms 7636 KB Output is correct
22 Correct 5 ms 7636 KB Output is correct
23 Correct 5 ms 7636 KB Output is correct
24 Correct 5 ms 7508 KB Output is correct
25 Correct 5 ms 7636 KB Output is correct
26 Correct 5 ms 7636 KB Output is correct
27 Correct 6 ms 7488 KB Output is correct
28 Correct 7 ms 7536 KB Output is correct
29 Correct 6 ms 7636 KB Output is correct
30 Correct 6 ms 7648 KB Output is correct
31 Correct 6 ms 7672 KB Output is correct
32 Correct 5 ms 7636 KB Output is correct
33 Correct 6 ms 7636 KB Output is correct
34 Correct 15 ms 11032 KB Output is correct
35 Correct 117 ms 34244 KB Output is correct
36 Correct 114 ms 34236 KB Output is correct
37 Correct 118 ms 34312 KB Output is correct
38 Correct 129 ms 33964 KB Output is correct
39 Correct 113 ms 33764 KB Output is correct
40 Correct 112 ms 31620 KB Output is correct
41 Correct 132 ms 34496 KB Output is correct
42 Correct 128 ms 34328 KB Output is correct
43 Correct 98 ms 39476 KB Output is correct
44 Correct 122 ms 34716 KB Output is correct
45 Correct 128 ms 34596 KB Output is correct
46 Correct 119 ms 34236 KB Output is correct
47 Correct 130 ms 34236 KB Output is correct
48 Correct 123 ms 36204 KB Output is correct
49 Correct 70 ms 17016 KB Output is correct
50 Correct 55 ms 15676 KB Output is correct
51 Correct 134 ms 29984 KB Output is correct
52 Correct 158 ms 37892 KB Output is correct
53 Correct 157 ms 40020 KB Output is correct
54 Correct 161 ms 39900 KB Output is correct
55 Correct 107 ms 38964 KB Output is correct
56 Correct 175 ms 40960 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7380 KB Output is correct
2 Correct 6 ms 7380 KB Output is correct
3 Correct 5 ms 7300 KB Output is correct
4 Correct 5 ms 7380 KB Output is correct
5 Correct 5 ms 7636 KB Output is correct
6 Correct 6 ms 7512 KB Output is correct
7 Correct 5 ms 7636 KB Output is correct
8 Correct 5 ms 7636 KB Output is correct
9 Correct 100 ms 28608 KB Output is correct
10 Correct 120 ms 33416 KB Output is correct
11 Correct 115 ms 33008 KB Output is correct
12 Correct 135 ms 34764 KB Output is correct
13 Correct 104 ms 38472 KB Output is correct
14 Correct 106 ms 29000 KB Output is correct
15 Correct 251 ms 37668 KB Output is correct
16 Correct 229 ms 36968 KB Output is correct
17 Correct 250 ms 38560 KB Output is correct
18 Correct 296 ms 42532 KB Output is correct
19 Correct 277 ms 45344 KB Output is correct
20 Correct 252 ms 46944 KB Output is correct
21 Correct 291 ms 46256 KB Output is correct
22 Correct 284 ms 46800 KB Output is correct
23 Correct 259 ms 46628 KB Output is correct
24 Correct 260 ms 45168 KB Output is correct
25 Correct 320 ms 46280 KB Output is correct
26 Correct 271 ms 44820 KB Output is correct
27 Correct 5 ms 7628 KB Output is correct
28 Correct 4 ms 7636 KB Output is correct
29 Correct 5 ms 7636 KB Output is correct
30 Correct 5 ms 7500 KB Output is correct
31 Correct 5 ms 7592 KB Output is correct
32 Correct 5 ms 7636 KB Output is correct
33 Correct 5 ms 7636 KB Output is correct
34 Correct 5 ms 7636 KB Output is correct
35 Correct 5 ms 7636 KB Output is correct
36 Correct 15 ms 11032 KB Output is correct
37 Correct 117 ms 34244 KB Output is correct
38 Correct 114 ms 34236 KB Output is correct
39 Correct 118 ms 34312 KB Output is correct
40 Correct 129 ms 33964 KB Output is correct
41 Correct 113 ms 33764 KB Output is correct
42 Correct 112 ms 31620 KB Output is correct
43 Correct 132 ms 34496 KB Output is correct
44 Correct 128 ms 34328 KB Output is correct
45 Correct 98 ms 39476 KB Output is correct
46 Correct 122 ms 34716 KB Output is correct
47 Correct 22 ms 11276 KB Output is correct
48 Correct 243 ms 39108 KB Output is correct
49 Correct 226 ms 39088 KB Output is correct
50 Correct 225 ms 39080 KB Output is correct
51 Correct 226 ms 38956 KB Output is correct
52 Correct 254 ms 37512 KB Output is correct
53 Correct 222 ms 31316 KB Output is correct
54 Correct 266 ms 39952 KB Output is correct
55 Correct 245 ms 39012 KB Output is correct
56 Correct 386 ms 43304 KB Output is correct
57 Correct 276 ms 40136 KB Output is correct

Subtask #6
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 5 ms 7380 KB Output is correct
3 Correct 6 ms 7380 KB Output is correct
4 Correct 5 ms 7300 KB Output is correct
5 Correct 5 ms 7380 KB Output is correct
6 Correct 5 ms 7636 KB Output is correct
7 Correct 6 ms 7512 KB Output is correct
8 Correct 5 ms 7636 KB Output is correct
9 Correct 5 ms 7636 KB Output is correct
10 Correct 100 ms 28608 KB Output is correct
11 Correct 120 ms 33416 KB Output is correct
12 Correct 115 ms 33008 KB Output is correct
13 Correct 135 ms 34764 KB Output is correct
14 Correct 104 ms 38472 KB Output is correct
15 Correct 106 ms 29000 KB Output is correct
16 Correct 251 ms 37668 KB Output is correct
17 Correct 229 ms 36968 KB Output is correct
18 Correct 250 ms 38560 KB Output is correct
19 Correct 296 ms 42532 KB Output is correct
20 Correct 277 ms 45344 KB Output is correct
21 Correct 252 ms 46944 KB Output is correct
22 Correct 291 ms 46256 KB Output is correct
23 Correct 284 ms 46800 KB Output is correct
24 Correct 259 ms 46628 KB Output is correct
25 Correct 260 ms 45168 KB Output is correct
26 Correct 320 ms 46280 KB Output is correct
27 Correct 271 ms 44820 KB Output is correct
28 Correct 5 ms 7628 KB Output is correct
29 Correct 4 ms 7636 KB Output is correct
30 Correct 5 ms 7636 KB Output is correct
31 Correct 5 ms 7500 KB Output is correct
32 Correct 5 ms 7592 KB Output is correct
33 Correct 5 ms 7636 KB Output is correct
34 Correct 5 ms 7636 KB Output is correct
35 Correct 5 ms 7636 KB Output is correct
36 Correct 5 ms 7636 KB Output is correct
37 Correct 15 ms 11032 KB Output is correct
38 Correct 117 ms 34244 KB Output is correct
39 Correct 114 ms 34236 KB Output is correct
40 Correct 118 ms 34312 KB Output is correct
41 Correct 129 ms 33964 KB Output is correct
42 Correct 113 ms 33764 KB Output is correct
43 Correct 112 ms 31620 KB Output is correct
44 Correct 132 ms 34496 KB Output is correct
45 Correct 128 ms 34328 KB Output is correct
46 Correct 98 ms 39476 KB Output is correct
47 Correct 122 ms 34716 KB Output is correct
48 Correct 22 ms 11276 KB Output is correct
49 Correct 243 ms 39108 KB Output is correct
50 Correct 226 ms 39088 KB Output is correct
51 Correct 225 ms 39080 KB Output is correct
52 Correct 226 ms 38956 KB Output is correct
53 Correct 254 ms 37512 KB Output is correct
54 Correct 222 ms 31316 KB Output is correct
55 Correct 266 ms 39952 KB Output is correct
56 Correct 245 ms 39012 KB Output is correct
57 Correct 386 ms 43304 KB Output is correct
58 Correct 276 ms 40136 KB Output is correct
59 Correct 76 ms 16796 KB Output is correct
60 Correct 211 ms 38848 KB Output is correct
61 Correct 212 ms 38224 KB Output is correct
62 Correct 222 ms 40008 KB Output is correct
63 Correct 313 ms 43940 KB Output is correct
64 Correct 5 ms 7508 KB Output is correct
65 Correct 5 ms 7636 KB Output is correct
66 Correct 5 ms 7636 KB Output is correct
67 Correct 6 ms 7488 KB Output is correct
68 Correct 7 ms 7536 KB Output is correct
69 Correct 6 ms 7636 KB Output is correct
70 Correct 6 ms 7648 KB Output is correct
71 Correct 6 ms 7672 KB Output is correct
72 Correct 5 ms 7636 KB Output is correct
73 Correct 6 ms 7636 KB Output is correct
74 Correct 128 ms 34596 KB Output is correct
75 Correct 119 ms 34236 KB Output is correct
76 Correct 130 ms 34236 KB Output is correct
77 Correct 123 ms 36204 KB Output is correct
78 Correct 70 ms 17016 KB Output is correct
79 Correct 55 ms 15676 KB Output is correct
80 Correct 134 ms 29984 KB Output is correct
81 Correct 158 ms 37892 KB Output is correct
82 Correct 157 ms 40020 KB Output is correct
83 Correct 161 ms 39900 KB Output is correct
84 Correct 107 ms 38964 KB Output is correct
85 Correct 175 ms 40960 KB Output is correct
86 Correct 88 ms 18600 KB Output is correct
87 Correct 249 ms 39092 KB Output is correct
88 Correct 266 ms 39108 KB Output is correct
89 Correct 291 ms 39424 KB Output is correct
90 Correct 178 ms 20740 KB Output is correct
91 Correct 184 ms 22628 KB Output is correct
92 Correct 256 ms 34848 KB Output is correct
93 Correct 314 ms 42644 KB Output is correct
94 Correct 335 ms 44188 KB Output is correct
95 Correct 306 ms 43740 KB Output is correct
96 Correct 383 ms 43540 KB Output is correct
97 Correct 292 ms 43700 KB Output is correct