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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#556517 | #9246. Dominating Point | syxsyx | AC ✓ | 304ms | 139088kb | C++14 | 1.6kb | 2024-09-10 19:06:08 | 2024-11-22 18:43:01 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=5005;
int n;
char s[N];
bool a[N][N];
vector <int> hav;
int dis[N];
queue <int> q;
void bfs(int s,vector <int> hav)
{
int n=hav.size();
for(int i=0;i<n;i++) dis[hav[i]]=-1;
q.push(s);
dis[s]=0;
while(!q.empty())
{
int x=q.front();q.pop();
if(dis[x]==2) continue;
for(int i=0;i<n;i++)
{
if(!a[x][hav[i]]||dis[hav[i]]!=-1) continue;
dis[hav[i]]=dis[x]+1;
q.push(hav[i]);
}
}
}
int find(vector <int> hav)
{
// for(int i=0;i<hav.size();i++) printf("%d ",hav[i]);printf("\n");
bfs(hav[0],hav);
vector <int> tmp;
for(int i=0;i<hav.size();i++) if(dis[hav[i]]==-1) tmp.push_back(hav[i]);
if(tmp.size()==0) return hav[0];
return find(tmp);
}
int ans1,ans2,ans3;
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;i++)
{
scanf("%s",s+1);
for(int j=1;j<=n;j++) a[i][j]=s[j]-'0';
}
for(int i=1;i<=n;i++) hav.push_back(i);
ans1=find(hav);
// printf("%d\n",ans1);
bfs(ans1,hav);
// for(int i=0;i<hav.size();i++) assert(dis[hav[i]]!=-1);
hav.clear();
for(int i=1;i<=n;i++) if(dis[i]==2) hav.push_back(i);
if(hav.size()==0){printf("NOT FOUND\n");return 0;}
ans2=find(hav);
// printf("%d\n",ans2);
hav.clear();
for(int i=1;i<=n;i++) hav.push_back(i);
bfs(ans2,hav);
// for(int i=0;i<hav.size();i++) assert(dis[hav[i]]!=-1);
hav.clear();
for(int i=1;i<=n;i++) if(dis[i]==2) hav.push_back(i);
if(hav.size()==0){printf("NOT FOUND\n");return 0;}
ans3=find(hav);
// hav.clear();
// for(int i=1;i<=n;i++) hav.push_back(i);
// bfs(ans3,hav);
// for(int i=0;i<hav.size();i++) assert(dis[hav[i]]!=-1);
// printf("%d\n",ans3);
printf("%d %d %d\n",ans1,ans2,ans3);
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 4068kb
input:
6 011010 000101 010111 100001 010100 100010
output:
1 4 3
result:
ok OK, Answer correct.
Test #2:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
3 011 001 000
output:
NOT FOUND
result:
ok OK, Answer correct.
Test #3:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
3 010 001 100
output:
1 3 2
result:
ok OK, Answer correct.
Test #4:
score: 0
Accepted
time: 295ms
memory: 28280kb
input:
4994 0100001010011001010101110010101000111101111100100001110010000111100000000100110100101000001010100000010010010110110110111010010010100110100000110110111001010111010111010111011001000101001000010001010111110000000100001100000111100011001010010111011100111010101110011000010111101011111110001111110...
output:
1 3 4
result:
ok OK, Answer correct.
Test #5:
score: 0
Accepted
time: 304ms
memory: 28284kb
input:
4994 0000000110000010100001001010100101010001000000011001110000111011100010100100001001011100000101100000100100001101101101010010110011101100101001100101110010001111110111001101000110111001010011101001010101000000111101101111001011111011000001110010000000110101010010010100100101111111001000111111011...
output:
1 2 3
result:
ok OK, Answer correct.
Test #6:
score: 0
Accepted
time: 303ms
memory: 28208kb
input:
4995 0010100011010011000010101100100000011100110100010101010101000001011110100010001001011001100001111100011010001110011101111001110001000000101010001000010000010001011010010001100001010111011111011011110110000101001000000100000000000010111010101111111100001010001000000001001110000110011001111001111...
output:
1 2 5
result:
ok OK, Answer correct.
Test #7:
score: 0
Accepted
time: 301ms
memory: 28592kb
input:
4998 0011100111111001011100001111010010000111001110101001001011010111100010001110000001000010011011011110001110101111010011000101001101001000100110111110001001100111111000010101010101000110011100011001010110111110000100000010000101001000100011000010101111101101000000101010100111010101111101111100010...
output:
1 2 3
result:
ok OK, Answer correct.
Test #8:
score: 0
Accepted
time: 296ms
memory: 28252kb
input:
4994 0010111010011101101110001111100011010010010000101101110110110000100010000101011100000001011100010001000011010101011111100011010000010110000011110010011000101011100011110110011101110000101100111110000110100111001101000100011001001001100001101110001100111011100111001011001011010111111001001000010...
output:
1 2 4
result:
ok OK, Answer correct.
Test #9:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
1 0
output:
NOT FOUND
result:
ok OK, Answer correct.
Test #10:
score: 0
Accepted
time: 0ms
memory: 3712kb
input:
2 01 00
output:
NOT FOUND
result:
ok OK, Answer correct.
Test #11:
score: 0
Accepted
time: 264ms
memory: 28292kb
input:
4998 0101101111101110111110111111111111111101111111010110100111111101110101111101111110101111011111100010111011110100111111111101011101101100110111101110110101101110111011001111101011111101111001111101011111100110111110010011010111101111011010110101011111101011101110111111101101011111010010110101111...
output:
4796 1411 1681
result:
ok OK, Answer correct.
Test #12:
score: 0
Accepted
time: 238ms
memory: 28584kb
input:
4998 0000001000000000010000100001001010101010000010010100000100000010100000100000100010011101010000000010000101101001001101100010100000000000010011010110000001011000000000010011000000100100010000000000000100110001010110010111000010000001100110110000100010001001100010001000010000011110001011000000100...
output:
685 2307 4716
result:
ok OK, Answer correct.
Test #13:
score: 0
Accepted
time: 238ms
memory: 28584kb
input:
4998 0010101101011111101011000011111010001110000110101111101010010010111111010111101100001111110111010111000111111011111011110011111101010001111000000101110101000111111100100000011000010011110101010100011000000010100011011011000101101010010100110000000101001000111010101010001110101011011001100011100...
output:
1529 2253 3540
result:
ok OK, Answer correct.
Test #14:
score: 0
Accepted
time: 94ms
memory: 139088kb
input:
5000 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
output:
1 4999 5000
result:
ok OK, Answer correct.
Extra Test:
score: 0
Extra Test Passed