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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#625885 | #5414. Stop, Yesterday Please No More | study_to_death | WA | 1ms | 8216kb | C++14 | 1.7kb | 2024-10-09 21:34:26 | 2024-10-09 21:34:27 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N = 1e3 + 5, M = 1e6 + 5;
int g[N][N];
char s[M];
int n, m, k;
int u, d, l, r;
int du, dd, dl, dr;
int sum[N][N], vis[N][N];
void move(char str)
{
if(str == 'U')
{
if(du) du --, dd ++;
else
{
u ++;
dd ++;
}
}else if(str == 'D')
{
if(dd) dd --, du ++;
else{
d --;
du ++;
}
}else if(str == 'R')
{
if(dr) dr --, dl ++;
else
{
r --;
dl ++;
}
}else
{
if(dl) dl --, dr ++;
else
{
l ++;
dr ++;
}
}
}
void add(int x, int y, int lenx, int leny)
{
sum[x][y] ++;
int xx = x + lenx - 1;
int yy = y + leny - 1;
sum[x][yy + 1] --;
sum[xx + 1][y] --;
sum[xx + 1][yy + 1] ++;
}
signed main()
{
int T;
scanf("%d", &T);
while(T -- )
{
int ans = 0;
scanf("%d%d%d", &n, &m, &k);
scanf("%s", s + 1);
u = l = 1;
d = n, r = m;
du = dd = dl = dr = 0;
for(int i = 1; s[i]; i ++ )
{
move(s[i]);
}
if((u > d || l > r) && k)
{
puts("0");
continue;
}else if((u > d || l > r) && !k)
{
int ans = n * m;
printf("%d\n", ans);
continue;
}
int lenx = (d - u + 1);
int leny = (r - l + 1);
int x = u, y = l;
add(u, l, lenx, leny);
vis[u][l] = 1;
for(int i = 1; s[i]; i ++ )
{
if(s[i] == 'U') x --;
else if(s[i] == 'D') x ++;
else if(s[i] == 'L') y --;
else if(s[i] == 'R') y ++;
if(!vis[x][y])
add(x, y, lenx, leny);
vis[x][y] = 1;
}
for(int i = 1; i <= n; i ++ )
{
for(int j = 1; j <= m; j ++ )
{
sum[i][j] += sum[i - 1][j] + sum[i][j - 1] - sum[i - 1][j - 1];
if(sum[i][j] == k) ans ++;
}
}
cout<<ans<<endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 7912kb
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: 8216kb
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 0 0 0 15 0 240 0 0 0 0 0 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 0 320 0 0 0 0 0 0 0 0 0 0 0 0 22 0 51 0 0 6 0 0 48 28 8 0 0 0 0 0 1 0 0 0 44 0 0 0 0 4 30 0 0 105 0 0 17 0 66 0 11 28 0 0 0 0 0 0 90 0 0 0 0 48 0 0 0 0 30 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48 0 0 225 0 0 0 1 11 0 90 0 0 228 0 3...
result:
wrong answer 3rd numbers differ - expected: '20', found: '0'