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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#703896 | #5414. Stop, Yesterday Please No More | PoonYaPat | WA | 0ms | 5776kb | C++14 | 1.7kb | 2024-11-02 18:49:05 | 2024-11-02 18:49:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n,m,k,sz_x,sz_y;
int cnt[1005][1005];
bool vis[1005][1005];
void add(int x1, int y1) {
int x2=x1+sz_x, y2=y1+sz_y;
++cnt[x1][y1];
--cnt[x2+1][y1];
--cnt[x1][y2+1];
++cnt[x2+1][y2+1];
}
void solve() {
cin>>n>>m>>k;
for (int i=0; i<=n+3; ++i) for (int j=0; j<=m+3; ++j) cnt[i][j]=vis[i][j]=0;
string s; cin>>s;
int miX=0,maX=0,miY=0,maY=0,curX=0,curY=0;
int sz=s.size();
for (int i=0; i<sz; ++i) {
if (s[i]=='U') --curX;
if (s[i]=='D') ++curX;
if (s[i]=='R') ++curY;
if (s[i]=='L') --curY;
miX=max(miX,-curX);
miY=max(miY,-curY);
maX=max(maX,curX);
maY=max(maY,curY);
}
//all out of bound
if (miX>=n || maX>=n || miY>=m || maY>=m) {
if (k==0) cout<<n*m<<"\n";
else cout<<0<<"\n";
return;
}
// (miX+1,miY+1) to (n-maX,n-maY)
sz_x=n-maX-miX-1;
sz_y=m-maY-miY-1;
curX=miX+1; curY=miY+1;
vis[curX][curY]=true;
add(curX,curY);
for (int i=0; i<sz; ++i) {
if (s[i]=='U') --curX;
if (s[i]=='D') ++curX;
if (s[i]=='R') ++curY;
if (s[i]=='L') --curY;
if (vis[curX][curY]) continue;
vis[curX][curY]=true;
add(curX,curY);
}
int ans=0;
for (int i=1; i<=n; ++i) {
for (int j=1; j<=m; ++j) {
cnt[i][j]+=cnt[i-1][j]+cnt[i][j-1]-cnt[i-1][j-1];
if ((sz_x+1)*(sz_y+1)-cnt[i][j] == k) ++ans;
}
}
cout<<ans<<"\n";
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int t; cin>>t;
while (t--) solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5580kb
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
Wrong Answer
time: 0ms
memory: 5776kb
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...
output:
11 11 20 99 18 15 34 0 15 0 0 13 14 18 26 16 1 19 108 8 2 2 3 7 0 30 16 21 0 8 10 9 15 5 320 11 7 3 0 0 12 0 11 0 0 14 0 22 36 51 23 7 6 4 2 48 28 8 63 22 49 13 10 4 108 10 18 44 0 15 9 0 4 30 14 99 105 10 14 17 0 66 10 11 28 52 34 56 33 14 56 90 14 0 121 3 48 30 36 13 0 30 7 8 3 11 16 45 20 34 0 38...
result:
wrong answer 1st numbers differ - expected: '228', found: '11'