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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#578672 | #9319. Bull Farm | wangwx | TL | 181ms | 67336kb | C++14 | 2.6kb | 2024-09-20 20:45:33 | 2024-09-20 20:45:33 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int mxn=2e3+5,INF=0x3f3f3f3f;
int T,n,l,q;
int g[mxn][mxn],dis[mxn][mxn];
int t[mxn][mxn],in[mxn];
int vis[mxn];
bool check(int x){
for(int i=0;i<=n;i++) vis[i]=0;
for(int i=1;i<=n;i++){
vis[t[x][i]]++;
}
int f2=0;
for(int i=1;i<=n;i++){
if(vis[i]==2) f2++;
else if(vis[i]>2) f2+=2;
}
if(f2>1) return false;
int to=0,st=0;
if(f2==1){
for(int i=1;i<=n;i++){
if(vis[i]==2) f2=i;
else if(vis[i]==0) to=i;
}
for(int i=1;i<=n;i++){
if(t[x][i]==f2) g[i][to]=min(g[i][to],x);
}
}else{
for(int i=1;i<=n;i++) g[i][t[x][i]]=min(g[i][t[x][i]],x);
}
return true;
}
// void spfa(){
// for(int i=0;i<=n;i++) for(int j=0;j<=n;j++) g[i][j]=INF,dis[i][j]=INF;
// for(int i=1;i<=n;i++){
// if(!check(i)) continue;
// }
// for(int i=1;i<=n;i++) g[i][i]=0;
// queue<int> q;
// for(int i=1;i<=n;i++){
// q.push(i);
// in[i]=1;
// }
// while(!q.empty()){
// int now=q.front();
// q.pop();
// for(int i=1;i<=n;i++){
// }
// }
// for(int i=1;i<=n;i++) g[i][i]=0;
// }
void floyd(){
for(int i=0;i<=n;i++) for(int j=0;j<=n;j++) g[i][j]=INF,dis[i][j]=INF;
for(int i=1;i<=n;i++){
if(!check(i)) continue;
}
for(int i=1;i<=n;i++) g[i][i]=0;
for(int i=1;i<=n;i++){
for(int x=1;x<=n;x++){
if(x==i || g[x][i]==INF) continue;
for(int y=1;y<=n;y++){
if(y==x || y==i || g[i][y]==INF) continue;
g[x][y]=min(max(g[x][i],g[i][y]),g[x][y]);
}
}
}
// cout<<g[1][2]<<"\n";
// for(int i=1;i<=n;i++) g[i][i]=0;
}
signed main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin>>T;
while(T--){
cin>>n>>l>>q;
string s;
for(int i=1;i<=l;i++){
cin>>s;
for(int j=1;j<=n;j++){
t[i][j]=(s[(j-1)*2]-'0')*50+s[(j-1)*2+1]-'0';
// cout<<t[i][j]<<(j==n?"\n":" ");
}
}
floyd();
for(int i=1;i<=q;i++){
cin>>s;
int a=(s[0]-'0')*50+s[1]-'0';
int b=(s[2]-'0')*50+s[3]-'0';
int c=(s[4]-'0')*50+s[5]-'0';
int f;
// cout<<a<<' '<<b<<' '<<c<<"\n";
if(g[a][b]<=c) f=1;
else f=0;
cout<<f;
}
cout<<"\n";
}
}
// ?;;=EL
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 7700kb
input:
2 5 2 4 0305040201 0404040404 030300 020500 050102 020501 6 2 4 030603010601 010203060504 030202 060402 050602 060401
output:
1011 0100
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 7712kb
input:
1 3 3 6 020202 030301 030201 020102 030203 010201 010303 020303 010202
output:
010101
result:
ok single line: '010101'
Test #3:
score: 0
Accepted
time: 49ms
memory: 7732kb
input:
200 10 10 5000 01060:04020305080709 0103070:060204050908 09070503080401060:02 050308010204090:0607 03010502040607080:09 03080109020504060:07 06050:09040302080107 07080305010409060:02 030809010:0204060507 0:060908070201050304 060700 090:03 09080: 070405 010703 0:0100 080601 030600 070206 0:0:09 08040...
output:
011110001101101111111111111111111101111111110111011110110110111011010111111111111111111101111111111110111111110111111111111101111111111110111111111111111111110001100111111111111111111111111011101111111111111111111111111111111111111111011011110100111110111111110111111100111111101110111111111101111110...
result:
ok 200 lines
Test #4:
score: 0
Accepted
time: 181ms
memory: 67336kb
input:
1 2000 1 1000000 M=:]A@8UAY7W2JJ4KEHIA[HSCQ1ENSC`JXR;F3PJ:_@41P9Z=9HR8P<<:DUXRR9^WOQFL?NZP6S@=J0^WE32=6;\U0?88]Q_RNPUMT6YU<4<S]H?:7OCQYOT4YAV1^764ENWSDBED>M7A:BI>KSIR48JQ9B=N\5T3N4A2aF0@>3TI81<G7;YE>W`NMP<:IT4CI3D0=GZC3I\CLQJQBA9BDIS9SAM55KaVA<Z@D=>:Y?CQHUQ5U3a6UVI8OKX9_FAF^7=5M85;<0;8YPAM<7Z7PP7A=N...
output:
000101000101100010001000000010010110000001000001001100000000010000100001000000101100000000010000001000000001110000010110100000111100100000001000000000011001010001000001001000100000000100011001100110010000010000101100000011111000000010000101010010000000010101000001010111100000100000000000000101000100...
result:
ok single line: '000101000101100010001000000010...0101000101000000000010101001000'
Test #5:
score: -100
Time Limit Exceeded
input:
1 2000 2000 1000000 FVAaH7GRPO;_11Da5J18@3SMG==\G8E8S^6:M4L0JH>MN5IXT>2<7WJ3U8LVJS=;;3F13>0D0>VOIIU@EPHG6ABL6;K?T1PXDERLG07]5C9^GDKG<SBMIW;`4W8P3=469TIPKH0O34523_J5C2MJ17D25Z@=K8H@M>WK<CMK7EO]BPD7B6AW741J5YIHIa1:ERSG>L3N2^F3<4F`DLE@2AA5=8GZK6:192FB736[WMV7:^DA2C:<LK040VJBM3M]WXU50`407TR_?PLF@5VL7OSL...