| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 403500 |
2021-05-13T08:48:12 Z |
zaneyu |
None (KOI18_family) |
C++14 |
|
16 ms |
1620 KB |
/*input
7 8 4
7 7 6 6 0 5 5
6 7 7 8 0 5 5 5
*/
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define ll long long
#define pii pair<int,int>
#define pb push_back
#define ALL(x) x.begin(),x.end()
#define f first
#define s second
#define sz(x) (int)x.size()
const int maxn=2e3+5;
vector<int> v[maxn],v2[maxn];
bool vv[maxn][maxn],vv2[maxn][maxn];
int k;
void dfs(int u){
if(u<k) vv[u][u]=1;
for(int x:v[u]){
dfs(x);
REP(j,k) if(vv[x][j]) vv[u][j]=1;
}
}
void dfs2(int u){
if(u<k) vv2[u][u]=1;
for(int x:v2[u]){
dfs2(x);
REP(j,k) if(vv2[x][j]) vv2[u][j]=1;
}
}
bool cmp(vector<int> &a,vector<int> &b){
if(sz(a)==sz(b)) return a<b;
return sz(a)<sz(b);
}
bool match[maxn];
int main(){
ios::sync_with_stdio(false),cin.tie(0);
int n,m;
cin>>n>>m>>k;
int r1,r2;
REP(i,n){
int x;
cin>>x;
--x;
if(x!=-1) v[x].pb(i);
else r1=i;
}
REP(i,m){
int x;
cin>>x;
--x;
if(x!=-1) v2[x].pb(i);
else r2=i;
}
dfs(r1),dfs2(r2);
int p=0;
REP(i,m){
vector<int> vvv;
REP(j,k) if(vv[i][j]) vvv.pb(j);
REP(j,n){
int cnt=0,c2=0;
REP(asd,k) if(vv2[j][asd]) ++cnt;
for(auto x:vvv){
if(vv2[j][x]) c2++;
}
if(c2 and c2!=min(cnt,sz(vvv))){
cout<<"NO\n";
return 0;
}
}
}
cout<<"YES\n";
}
Compilation message
family.cpp: In function 'int main()':
family.cpp:62:9: warning: unused variable 'p' [-Wunused-variable]
62 | int p=0;
| ^
family.cpp:61:17: warning: 'r2' may be used uninitialized in this function [-Wmaybe-uninitialized]
61 | dfs(r1),dfs2(r2);
| ~~~~^~~~
family.cpp:61:8: warning: 'r1' may be used uninitialized in this function [-Wmaybe-uninitialized]
61 | dfs(r1),dfs2(r2);
| ~~~^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
588 KB |
Output is correct |
| 5 |
Correct |
1 ms |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1484 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
3 ms |
1484 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1100 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1308 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
588 KB |
Output is correct |
| 27 |
Correct |
1 ms |
416 KB |
Output is correct |
| 28 |
Correct |
1 ms |
548 KB |
Output is correct |
| 29 |
Correct |
1 ms |
588 KB |
Output is correct |
| 30 |
Correct |
1 ms |
588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
588 KB |
Output is correct |
| 5 |
Correct |
1 ms |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1484 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
3 ms |
1484 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1100 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1308 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
588 KB |
Output is correct |
| 27 |
Correct |
1 ms |
416 KB |
Output is correct |
| 28 |
Correct |
1 ms |
548 KB |
Output is correct |
| 29 |
Correct |
1 ms |
588 KB |
Output is correct |
| 30 |
Correct |
1 ms |
588 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
460 KB |
Output is correct |
| 33 |
Correct |
1 ms |
588 KB |
Output is correct |
| 34 |
Correct |
1 ms |
544 KB |
Output is correct |
| 35 |
Correct |
1 ms |
460 KB |
Output is correct |
| 36 |
Correct |
8 ms |
1228 KB |
Output is correct |
| 37 |
Correct |
2 ms |
1100 KB |
Output is correct |
| 38 |
Correct |
9 ms |
1440 KB |
Output is correct |
| 39 |
Correct |
9 ms |
1620 KB |
Output is correct |
| 40 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 41 |
Correct |
1 ms |
460 KB |
Output is correct |
| 42 |
Correct |
1 ms |
460 KB |
Output is correct |
| 43 |
Correct |
1 ms |
544 KB |
Output is correct |
| 44 |
Correct |
1 ms |
588 KB |
Output is correct |
| 45 |
Correct |
1 ms |
460 KB |
Output is correct |
| 46 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 47 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 48 |
Correct |
16 ms |
1608 KB |
Output is correct |
| 49 |
Correct |
4 ms |
1572 KB |
Output is correct |
| 50 |
Correct |
1 ms |
1356 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
588 KB |
Output is correct |
| 5 |
Correct |
1 ms |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1484 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
3 ms |
1484 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1100 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1308 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
588 KB |
Output is correct |
| 27 |
Correct |
1 ms |
416 KB |
Output is correct |
| 28 |
Correct |
1 ms |
548 KB |
Output is correct |
| 29 |
Correct |
1 ms |
588 KB |
Output is correct |
| 30 |
Correct |
1 ms |
588 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
460 KB |
Output is correct |
| 33 |
Correct |
1 ms |
588 KB |
Output is correct |
| 34 |
Correct |
1 ms |
544 KB |
Output is correct |
| 35 |
Correct |
1 ms |
460 KB |
Output is correct |
| 36 |
Correct |
8 ms |
1228 KB |
Output is correct |
| 37 |
Correct |
2 ms |
1100 KB |
Output is correct |
| 38 |
Correct |
9 ms |
1440 KB |
Output is correct |
| 39 |
Correct |
9 ms |
1620 KB |
Output is correct |
| 40 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 41 |
Correct |
1 ms |
460 KB |
Output is correct |
| 42 |
Correct |
1 ms |
460 KB |
Output is correct |
| 43 |
Correct |
1 ms |
544 KB |
Output is correct |
| 44 |
Correct |
1 ms |
588 KB |
Output is correct |
| 45 |
Correct |
1 ms |
460 KB |
Output is correct |
| 46 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 47 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 48 |
Correct |
16 ms |
1608 KB |
Output is correct |
| 49 |
Correct |
4 ms |
1572 KB |
Output is correct |
| 50 |
Correct |
1 ms |
1356 KB |
Output is correct |
| 51 |
Runtime error |
2 ms |
588 KB |
Execution killed with signal 11 |
| 52 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Correct |
1 ms |
588 KB |
Output is correct |
| 5 |
Correct |
1 ms |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1484 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
3 ms |
1484 KB |
Output is correct |
| 17 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 18 |
Correct |
3 ms |
1100 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 20 |
Correct |
2 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 22 |
Correct |
2 ms |
1308 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
588 KB |
Output is correct |
| 27 |
Correct |
1 ms |
416 KB |
Output is correct |
| 28 |
Correct |
1 ms |
548 KB |
Output is correct |
| 29 |
Correct |
1 ms |
588 KB |
Output is correct |
| 30 |
Correct |
1 ms |
588 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
460 KB |
Output is correct |
| 33 |
Correct |
1 ms |
588 KB |
Output is correct |
| 34 |
Correct |
1 ms |
544 KB |
Output is correct |
| 35 |
Correct |
1 ms |
460 KB |
Output is correct |
| 36 |
Correct |
8 ms |
1228 KB |
Output is correct |
| 37 |
Correct |
2 ms |
1100 KB |
Output is correct |
| 38 |
Correct |
9 ms |
1440 KB |
Output is correct |
| 39 |
Correct |
9 ms |
1620 KB |
Output is correct |
| 40 |
Correct |
5 ms |
1484 KB |
Output is correct |
| 41 |
Correct |
1 ms |
460 KB |
Output is correct |
| 42 |
Correct |
1 ms |
460 KB |
Output is correct |
| 43 |
Correct |
1 ms |
544 KB |
Output is correct |
| 44 |
Correct |
1 ms |
588 KB |
Output is correct |
| 45 |
Correct |
1 ms |
460 KB |
Output is correct |
| 46 |
Correct |
4 ms |
1484 KB |
Output is correct |
| 47 |
Correct |
2 ms |
1228 KB |
Output is correct |
| 48 |
Correct |
16 ms |
1608 KB |
Output is correct |
| 49 |
Correct |
4 ms |
1572 KB |
Output is correct |
| 50 |
Correct |
1 ms |
1356 KB |
Output is correct |
| 51 |
Runtime error |
2 ms |
588 KB |
Execution killed with signal 11 |
| 52 |
Halted |
0 ms |
0 KB |
- |
