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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#279826 | #7785. Three Rectangles | ucup-team2279# | WA | 1ms | 3484kb | C++14 | 1.5kb | 2023-12-09 10:20:22 | 2023-12-09 10:20:22 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
void solve(){
int n,m,sum=1,ok=0,ans=0;
cin>>n>>m;
vector<int> h(3),w(3),x(3),y(3);
for(int i:{0,1,2}){
cin>>h[i]>>w[i];
if(h[i]==n&&w[i]==m) ok=1;
sum=(n-h[i]+1ll)*(m-w[i]+1ll)%mod*sum%mod;
}
if(ok){
cout<<sum<<"\n";
return;
}
auto calc=[&](){
long long a=0;
for(int s=1;s<8;s++){
int lx=1,rx=n,ly=1,ry=m,o=-1;
for(int i:{0,1,2}) if(s>>i&1)
o*=-1,
lx=max(lx,x[i]),rx=min(rx,x[i]+h[i]-1),
ly=max(ly,y[i]),ry=min(ry,y[i]+w[i]-1);
a+=max(rx-lx+1,0)*max(ry-ly+1,0)*o;
}
ans+=a==1ll*n*m;
};
auto dfs=[&](auto self,int d)->void{
if(d==3) return calc();
set<array<int,2>> s;
for(int i:{1,n-h[d]+1}) for(int j:{1,m-w[d]+1}) s.insert({i,j});
for(auto t:s) x[d]=t[0],y[d]=t[1],self(self,d+1);
};
dfs(dfs,0);
for(int i:{0,1,2}) for(int j:{0,1,2}) if(i!=j){
int k=3^i^j;
if((h[i]==n&&h[j]==n&&w[i]+w[j]>=m)||(w[i]==m&&w[j]==m&&h[i]+h[j]>=n)){
(ans+=(n-h[k]+1ll)*(m-w[k]+1ll)%mod)%=mod;
if(h[k]==n||w[k]==m) (ans+=mod-2)%=mod;
else (ans+=mod-4)%=mod;
}else if(h[i]==n&&h[j]==n&&h[k]==n){
int l=max(2,m-w[j]-w[k]+1),r=min(w[i]+1,m-w[k]);
(ans+=max(r-l+1,0))%=mod;
}else if(w[i]==m&&w[j]==m&&w[k]==m){
int l=max(2,n-h[j]-h[k]+1),r=min(h[i]+1,n-h[k]);
(ans+=max(r-l+1,0))%=mod;
}
}
cout<<ans<<"\n";
}
int main(){
cin.tie(0)->sync_with_stdio(0);
int t;
cin>>t;
while(t--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3440kb
input:
5 2 2 1 1 1 1 1 1 2 2 1 1 1 2 1 2 2 2 1 1 1 2 2 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1
output:
0 8 4 6 4
result:
ok 5 number(s): "0 8 4 6 4"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3484kb
input:
4 1 3 1 1 1 2 1 3 1 4 1 1 1 2 1 3 1 5 1 1 1 2 1 3 1 6 1 1 1 2 1 3
output:
6 12 14 6
result:
ok 4 number(s): "6 12 14 6"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3432kb
input:
1 1000000000 1000000000 1 1 1 1 1000000000 1000000000
output:
2401
result:
ok 1 number(s): "2401"
Test #4:
score: -100
Wrong Answer
time: 1ms
memory: 3456kb
input:
729 999999999 111111111 111111111 111111111 111111111 111111111 111111111 111111111 999999999 111111111 111111111 111111111 222222222 111111111 111111111 111111111 999999999 111111111 111111111 111111111 111111111 111111111 333333333 111111111 999999999 111111111 111111111 111111111 444444444 111111...
output:
0 0 0 0 0 0 6 777777747 456790164 0 0 0 0 0 6 222222204 555555525 135802502 0 0 0 0 6 222222204 222222204 333333303 814814847 0 0 0 6 222222204 222222204 222222204 111111081 493827185 0 0 6 222222204 222222204 222222204 222222204 888888866 172839523 0 6 222222204 222222204 222222204 222222204 222222...
result:
wrong answer 8th numbers differ - expected: '777777753', found: '777777747'