| Task: | Ruudukko |
| Sender: | maweiyin24562 |
| Submission time: | 2022-11-10 17:53:47 +0200 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 61 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 28 |
| #2 | ACCEPTED | 33 |
| #3 | TIME LIMIT EXCEEDED | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
| #2 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
| #3 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
| #4 | ACCEPTED | 0.01 s | 2, 3 | details |
| #5 | ACCEPTED | 0.01 s | 2, 3 | details |
| #6 | ACCEPTED | 0.02 s | 2, 3 | details |
| #7 | ACCEPTED | 0.17 s | 3 | details |
| #8 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #9 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MOD=1000000007;
ll ans;
ll n;
ll g[1010][1010];
ll f[1010][1010];
ll dfs(ll x,ll y,ll sum,ll fasum){
if(f[x][y])return f[x][y];
for(ll i=1;i<=n;i++){
if(g[x][i]<g[x][y]){
sum+=dfs(x,i,sum+1,sum);
sum%=MOD;
}
if(g[i][y]<g[x][y]){
sum+=dfs(i,y,sum+1,sum);
sum%=MOD;
}
}
f[x][y]=(sum-fasum+MOD)%MOD;
return f[x][y];
}
ll mn=10e9;
int main(){
cin>>n;
for(ll i=1;i<=n;i++){
for(ll j=1;j<=n;j++){
cin>>g[i][j];
mn=min(mn,g[i][j]);
}
}
for(ll i=1;i<=n;i++){
for(ll j=1;j<=n;j++){
if(g[i][j]==mn){
ans++;
ans%=MOD;
continue;
}
ans+=dfs(i,j,1,0);
ans%=MOD;
}
}
cout<<ans<<endl;
return 0;
}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 3 1 1 1 1 1 1 1 1 1 |
| correct output |
|---|
| 9 |
| user output |
|---|
| 9 |
Test 2
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 3 1 2 3 6 5 4 7 8 9 |
| correct output |
|---|
| 135 |
| user output |
|---|
| 135 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 3 7 8 1 4 5 4 3 9 6 |
| correct output |
|---|
| 57 |
| user output |
|---|
| 57 |
Test 4
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 10000 |
| user output |
|---|
| 10000 |
Test 5
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
| correct output |
|---|
| 187458477 |
| user output |
|---|
| 187458477 |
Test 6
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 2995 8734 1018 2513 7971 5063 ... |
| correct output |
|---|
| 964692694 |
| user output |
|---|
| 964692694 |
Test 7
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 1000000 |
| user output |
|---|
| 1000000 |
Test 8
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
| correct output |
|---|
| 229147081 |
| user output |
|---|
| (empty) |
Test 9
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 520283 805991 492643 75254 527... |
| correct output |
|---|
| 951147313 |
| user output |
|---|
| (empty) |