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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 |
---|---|---|---|---|---|---|---|---|---|
#430450 | #5414. Stop, Yesterday Please No More | unclezhou | RE | 0ms | 3812kb | C++20 | 1.7kb | 2024-06-03 20:30:45 | 2024-06-03 20:30:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
void solve(){
int n,m,k;
cin>>n>>m>>k;
string str;
cin>>str;
vector<vector<int> > pre((n+5),vector<int>(m+5));
map<pair<int,int>,int>ma;
int lx=1,ly=1,rx=n,ry=m;
int dx=0,dy=0;
for(auto x:str){
if(x=='U'){
lx=max(lx-1,1);
rx=max(rx-1,1);
dx--;
}
else if(x=='D'){
lx=min(lx+1,n);
rx=min(rx+1,n);
dx++;
}
else if(x=='L'){
ly=max(ly-1,1);
ry=max(ry-1,1);
dy--;
}
else{
ly=min(ly+1,m);
ry=min(ry+1,m);
dy++;
}
}
lx-=dx,rx-=dx,ly-=dy,ry-=dy;
int res=0;
if(lx>=1&&lx<=n&&rx>=1&&rx<=n&&ly>=1&&ly<=m&&ry>=1&&ry<=m){
res=(ry-ly+1)*(rx-lx+1);
pre[lx][ly]+=1;
pre[lx][ry+1]-=1;
pre[rx+1][ly]-=1;
pre[rx+1][ry+1]+=1;
for(auto x:str){
if(x=='U') lx-=1,rx-=1;
else if(x=='D') lx+=1,rx+=1;
else if(x=='L') ly-=1,ry-=1;
else ly+=1,ry+=1;
if(ma[{lx,ly}]) continue;
ma[{lx,ly}]=1;
pre[lx][ly]+=1;
pre[lx][ry+1]-=1;
pre[rx+1][ly]-=1;
pre[rx+1][ry+1]+=1;
}
}
int ans=0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
pre[i][j]+=pre[i-1][j]+pre[i][j-1]-pre[i-1][j-1];
if(pre[i][j]==res-k) ans++;
}
}
cout<<ans<<'\n';
return;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin>>t;
while(t--){
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3812kb
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...