QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#91610 | #5414. Stop, Yesterday Please No More | Wolam | WA | 2ms | 5676kb | C++14 | 1.4kb | 2023-03-29 10:04:38 | 2023-03-29 10:04:40 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int sum[2005][2005],n,m,k,T;
char s[1000005];
int mxl,mxr,mxu,mxd;
int x,y;
void mov(char c)
{
if(c=='L')y--;
if(c=='R')y++;
if(c=='U')x--;
if(c=='D')x++;
}
signed main()
{
// ios::sync_with_stdio(0);
// cin.tie(0);cout.tie(0);
// cin>>T;
scanf("%d",&T);
while(T--)
{
scanf("%d%d%d%s",&n,&m,&k,s+1);
for(int i=0;i<=2*n+1;i++)
for(int j=0;j<=2*m+1;j++)
sum[i][j]=0;
int len=strlen(s+1);
x=n+1,y=m+1;
mxl=mxr=mxu=mxd=0;
sum[x][y]=1;
for(int i=1;i<=len;i++)
{
mov(s[i]);
if(x>=1&&x<=2*n+1&&y>=1&&y<=2*n+1)sum[x][y]=1;
mxl=max(mxl,m+1-y);
mxr=max(mxr,y-m-1);
mxu=max(mxu,n+1-x);
mxd=max(mxd,x-n-1);
}
//cerr<<mxl<<" "<<mxr<<" "<<mxu<<" "<<mxd<<endl;
for(int i=1;i<=2*n+1;i++)
{
for(int j=1;j<=2*m+1;j++)
{
sum[i][j]+=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1];
}
}
if(mxr+mxl>=m||mxu+mxd>=n)
{
if(k==0)
printf("%d\n",n*m);
else printf("0\n");
continue;
}
int su=(n-mxu-mxd)*(m-mxl-mxr),ans=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
{
int x,y,xx,yy;
x=n+2-i+mxu;y=m+2-j+mxl;
xx=x+n-mxd-mxu-1,yy=y+m-mxl-mxr-1;
// cerr<<x<<" "<<y<<" "<<xx<<" "<<yy<<" ";
int t=sum[xx][yy]-sum[x-1][yy]-sum[xx][y-1]+sum[x-1][y-1];
// cerr<<su<<" "<<t<<endl;
if(su-t==k)
{
// cerr<<i<<" "<<j<<endl;
ans++;
}
}
cout<<ans<<'\n';
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3764kb
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: 2ms
memory: 5676kb
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:
228 11 34 99 5 15 0 240 6 0 0 1 11 18 13 0 12 0 108 4 1 2 3 48 1 1 3 4 0 7 10 9 4 0 320 8 0 3 0 0 3 0 11 0 0 6 0 22 36 51 12 5 6 1 2 48 28 8 63 11 49 0 4 14 108 0 9 44 0 1 8 0 4 30 12 99 105 5 1 17 0 66 8 11 28 52 30 56 11 5 56 90 14 0 121 0 48 12 16 10 0 30 1 3 3 15 16 45 9 32 0 0 0 80 0 42 0 20 12...
result:
wrong answer 3rd numbers differ - expected: '20', found: '34'