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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#376436 | #5116. Contests | fzx | WA | 4ms | 232972kb | C++14 | 2.3kb | 2024-04-04 09:57:22 | 2024-04-04 09:57:23 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF=1e5+5;
int n,m,a[7][INF],f[35][7][INF],aa[7][7][INF],rr[7],p3[7][INF],ll[7];
signed main()
{
ios::sync_with_stdio(false);
cin>>n>>m;
for (int i=1;i<=m;i++) {
for (int j=1;j<=n;j++)
cin>>a[i][j];
}
for (int i=1;i<=m;i++) {
for (int j=1;j<=n;j++) p3[i][a[i][j]]=j;
for (int p=1;p<=m;p++) {
aa[i][p][n+1]=1e9;
for (int j=n;j;j--)
aa[i][p][j]=min(aa[i][p][j+1],p3[i][a[p][j]]);
}
}
// p3[i][j] 表示 在 i 这场比赛中,j 这个点 的排名
// aa[i][p][j] 在第 p 场比赛中, j 这个排名之后,在 i 这场比赛的最小值
memset(f,63,sizeof f);
for (int x=1;x<=m;x++)
for (int y=1;y<=m;y++)
for (int j=1;j<=n;j++) {
f[0][x][j]=min(f[0][x][j],aa[x][y][p3[y][j]]);
}
for (int i=1;i<20;i++) {
for (int x=1;x<=m;x++) {
for (int y=1;y<=m;y++) {
for (int j=1;j<=n;j++) {
f[i][x][j]=min(f[i-1][x][a[y][f[i-1][y][j]]],f[i][x][j]);
}
}
}
}
int q=0;cin>>q;
while (q--) {
int l=0,r=0,res=0;
cin>>l>>r;
if (l==r) {cout<<"0\n";continue;}
int fl5=0;
for (int i=1;i<=m;i++)
if (p3[i][l]<p3[i][r]) {cout<<"1\n";fl5=1;break;}
if (fl5) continue;
for (int u=1;u<=m;u++) ll[u]=l;
int fl3=0;
for (int p=19;~p;p--) {
int fl2=0;
for (int u=1;u<=m;u++) {
int fl=0;
for (int v=1;v<=m;v++)
if (p3[v][a[u][f[p][u][ll[u]]]]<p3[v][r]) fl=1;
if (fl) fl2=1;
}
if (fl2) fl3=1;
else {
res|=(1ll<<p);
for (int u=1;u<=m;u++) {
int fl=1e18;
for (int v=1;v<=m;v++)
fl=min(fl,f[p][u][ll[v]]);
rr[u]=a[u][fl];
}
for (int u=1;u<=m;u++) ll[u]=rr[u];
}
}
if (!fl3) cout<<"-1\n";
else cout<<res+2<<"\n";
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 208360kb
input:
6 2 1 3 2 5 4 6 2 1 4 3 6 5 4 1 4 5 3 6 1 5 2
output:
1 2 5 3
result:
ok 4 number(s): "1 2 5 3"
Test #2:
score: -100
Wrong Answer
time: 4ms
memory: 232972kb
input:
998 5 1 2 6 3 4 5 7 11 8 9 14 12 13 10 15 16 18 19 20 17 23 22 21 26 24 25 27 29 30 28 32 31 34 33 37 38 39 35 40 36 41 43 42 46 44 48 45 47 51 49 50 56 52 57 53 54 55 62 58 59 63 64 60 65 66 61 67 69 70 68 71 73 74 75 72 78 77 79 82 76 81 85 84 80 86 87 83 88 90 91 89 92 96 98 94 95 97 101 93 103 1...
output:
94 -1 1 1 1 21 1 153 -1 1 20 -1 25 1 1 1 80 1 1 1 1 -1 1 36 102 1 1 1 30 92 1 1 -1 37 36 60 1 1 1 1 1 1 1 1 17 -1 -1 1 1 -1 -1 1 1 140 1 1 77 1 60 1 1 1 4 90 1 1 -1 36 93 1 1 17 148 1 1 1 136 -1 -1 1 28 -1 -1 32 181 1 -1 -1 1 1 1 56 -1 75 25 115 123 1 -1 1 1 2 1 1 1 11 -1 1 -1 1 76 -1 127 -1 1 1 6 1...
result:
wrong answer 11th numbers differ - expected: '19', found: '20'