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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#407209 | #5414. Stop, Yesterday Please No More | xiaole | RE | 0ms | 3616kb | C++23 | 3.0kb | 2024-05-08 10:48:06 | 2024-05-08 10:48:06 |
Judging History
answer
#include<bits/stdc++.h>
#define ios ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
using namespace std;using ll = long long;using PLL = pair<ll,ll>;
const ll MAX = 1e18;const ll MIN = -1e18;const ll INF=0x3f3f3f3f;
const ll Q = 2e5+9;const ll MOD = 1e9 + 7;
ll d[1005][1005];
void solve(){
ll n,m,k;cin>>n>>m>>k;
for (ll i = 0; i <= n; i++)
{
for (ll j = 0; j <= m; j++)
{
d[i][j]=0;
}
}
for (ll i = 1; i <= n; i++)
{
d[i][1]=1;
}
string s;cin>>s;
if(k==0){
cout<<n*m<<"\n";
return;
}
ll lx=1,ly=1;
ll rx=n,ry=m;
for (ll i = 0; i < s.size(); i++)
{
if(s[i]=='U'){
lx--;rx--;
if(lx<1) lx=1;
// for (ll j = lx; j <= rx; j++)
// {
// d[j][ly]++;
// d[j][ry+1]--;
// }
}
if(s[i]=='D'){
lx++;rx++;
if(rx>n) rx=n;
// for (ll j = lx; j <= rx; j++)
// {
// d[j][ly]++;
// d[j][ry+1]--;
// }
}
if(s[i]=='L'){
ly--;ry--;
if(ly<1) ly=1;
// for (ll j = lx; j <= rx; j++)
// {
// d[j][ly]++;
// d[j][ry+1]--;
// }
}
if(s[i]=='R'){
ly++;ry++;
if(ry>m) ry=m;
// for (ll j = lx; j <= rx; j++)
// {
// d[j][ly]++;
// d[j][ry+1]--;
// }
}
}
if(rx<1 or ry<1 or lx>n or ly>m){
if(k==0) cout<<n*m<<"\n";
else cout<<0<<"\n";
return;
}
ll now=(rx-lx+1)*(ry-ly+1);
reverse(s.begin(),s.end());
for (ll i = 0; i < s.size(); i++)
{
if(s[i]=='U'){
lx--;rx--;
for (ll j = lx; j <= rx; j++)
{
d[j][ly]++;
d[j][ry+1]--;
}
}
if(s[i]=='D'){
lx++;rx++;
for (ll j = lx; j <= rx; j++)
{
d[j][ly]++;
d[j][ry+1]--;
}
}
if(s[i]=='L'){
ly--;ry--;
for (ll j = lx; j <= rx; j++)
{
d[j][ly]++;
d[j][ry+1]--;
}
}
if(s[i]=='R'){
ly++;ry++;
for (ll j = lx; j <= rx; j++)
{
d[j][ly]++;
d[j][ry+1]--;
}
}
}
ll ans=0;
for (ll i = 1; i <= n; i++)
{
for (ll j = 2; j <= m; j++)
{
d[i][j]+=d[i][j-1];
}
}
for (ll i = 1; i <= n; i++)
{
for (ll j = 1; j <= m; j++)
{
if(now-d[i][j]==k) ans++;
}
}
cout<<ans<<"\n";
}
int main(){
ios;ll _=1;cin>>_;
while (_--)solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
3 4 5 3 ULDDRR 4 5 0 UUUUUUU 4 5 10 UUUUUUU
output:
2 20 0
result:
ok 3 number(s): "2 20 0"
Test #2:
score: -100
Runtime Error
input:
1060 19 12 0 UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL 11 1 0 UR 3 18 33 UDRLR 17 11 132 RLDRDLDRUU 6 10 13 UULUDDLRDLUUDLDD 1 15 0 D 6 20 50 D...