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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 |
---|---|---|---|---|---|---|---|---|---|
#185893 | #5414. Stop, Yesterday Please No More | SoyTony | WA | 3ms | 8088kb | C++14 | 2.3kb | 2023-09-22 19:20:38 | 2023-09-22 19:20:38 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int maxn=1e3+10;
const int maxs=1e6+10;
inline int read(){
int x=0,w=1;char c=getchar();
while(c<'0'||c>'9'){if(c=='-')w=-1;c=getchar();}
while(c<='9'&&c>='0'){x=(x<<3)+(x<<1)+c-'0';c=getchar();}
return x*w;
}
int t;
int n,m,k,len;
char s[maxs];
int sum[maxn][maxn];
inline int query(int U,int D,int L,int R){
U=max(U,1),L=max(L,1);
return sum[D][R]-sum[U-1][R]-sum[D][L-1]+sum[U-1][L-1];
}
int ans;
int main(){
t=read();
while(t--){
n=read(),m=read(),k=read();
scanf("%s",s+1);
len=strlen(s+1);
int nowx=0,nowy=0;
int ux=0,dx=0,ly=0,ry=0;
for(int i=1;i<=len;++i){
if(s[i]=='U') --nowx,ux=min(ux,nowx);
if(s[i]=='D') ++nowx,dx=max(dx,nowx);
if(s[i]=='L') --nowy,ly=min(ly,nowy);
if(s[i]=='R') ++nowy,ry=max(ry,nowy);
}
int U=-ux+1,D=n-dx,L=-ly+1,R=m-ry;
if(U>n||D<1||L>n||R<1){
if(!k) printf("%d\n",n*m);
else printf("0\n");
continue;
}
int siz=(D-U+1)*(R-L+1);
nowx=U,nowy=L;
// cerr<<U<<" "<<D<<" "<<L<<" "<<R<<endl;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
sum[i][j]=0;
}
}
sum[U][L]=1;
for(int i=1;i<=len;++i){
if(s[i]=='U') --nowx;
if(s[i]=='D') ++nowx;
if(s[i]=='L') --nowy;
if(s[i]=='R') ++nowy;
// cerr<<nowx<<" "<<nowy<<endl;
sum[nowx][nowy]=1;
}
// for(int i=1;i<=n;++i){
// for(int j=1;j<=m;++j){
// cerr<<sum[i][j]<<" ";
// }
// cerr<<endl;
// }
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
sum[i][j]+=sum[i][j-1];
}
}
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
sum[i][j]+=sum[i-1][j];
}
}
ans=0;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
if(query(i-(D-U),i,j-(R-L),j)+k==siz) ++ans;
}
}
printf("%d\n",ans);
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3636kb
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: 3ms
memory: 8088kb
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:
9 11 20 99 18 15 34 0 15 0 0 13 14 18 26 16 1 19 108 8 0 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 0 30 14 99 105 10 14 17 0 0 10 11 28 52 34 56 33 14 56 90 14 0 121 3 48 30 36 13 0 0 7 8 3 11 16 45 20 34 0 38 0 ...
result:
wrong answer 1st numbers differ - expected: '228', found: '9'