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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#577099 | #5414. Stop, Yesterday Please No More | PonyHex | WA | 0ms | 3764kb | C++20 | 4.2kb | 2024-09-20 07:57:02 | 2024-09-20 07:57:06 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define mod 1000000007
using namespace std;
const int N = 2005;
int n, m, k;
string s;
int xl, xr, yl, yr;
vector<pair<int, int> > nums;
int mp[N][N];
void solve() {
cin >> n >> m >> k;
for (int i = 0; i <= 2 * n; i++) {
for (int j = 0; j <= 2 * m; j++) {
mp[i][j] = 0;
}
}
cin >> s;
int px = 0, py = 0;
int disux = 0, disdx = 0, disly = 0,disry = 0;
for (int i = 0; i < s.length(); i++) {
if (s[i] == 'U') {
px--;
}
else if (s[i] == 'D') {
px++;
}
else if (s[i] == 'L') {
py--;
}
else if (s[i] == 'R') {
py++;
}
//判定位置,然后更新dis,然后判定k=n*m,k=0的情况
disux = min(disux, px); disdx = max(disdx, px);
disly = min(disly, py); disry = max(disry, py);
/*
if (disux <= -n || disdx >= n || disly <= -m || disry >= m) {
if (k == 0) {
cout << n * m << endl; return;
}
else if (k == n * m) {
cout << 0 << endl; return;
}
}*/
if (disdx - disux >= n || disry - disly) {
if (k == 0) {
cout << n * m << endl; return;
}
else if (k == n * m) {
cout << 0 << endl; return;
}
}
}
xl = 1 - disux; yl = 1 - disly;
xr = n - disdx; yr = m - disry;//进行的最大位移
//cout << xl << " " << yl << " " << xr << " " << yr << endl;
int sum = (yr - yl + 1) * (xr - xl + 1);
int x = 0, y = 0;
nums.push_back({ x,y });
for (int i = 0; i < s.length(); i++) {
if (s[i] == 'U') {
x++;
nums.push_back({ x,y });
}
else if (s[i] == 'D') {
x--;
nums.push_back({ x,y });
}
else if (s[i] == 'L') {
y++;
nums.push_back({ x,y });
}
else if (s[i] == 'R') {
y--;
nums.push_back({ x,y });
}
}
int mix = 1e18, miy = 1e18;
for (auto p = nums.begin(); p != nums.end(); p++) {
mix = min(mix, p->first);
miy = min(miy, p->second);
}
mix--; miy--;
mix = -mix, miy = -miy;
for (auto p = nums.begin(); p != nums.end(); p++) {
mp[p->first + mix][p->second + miy] = 1;
}
for (int i = 1; i <= 2 * n; i++) {
for (int j = 1; j <= 2 * m; j++) {
mp[i][j] = mp[i][j] + mp[i - 1][j] + mp[i][j - 1] - mp[i - 1][j - 1];
cout<<mp[i][j]<<' ';
}cout<<endl;
}
cout<<sum<<endl;
int ans = 0;
//枚举起点,1,1一直到n,m;
//cout << xl << " " << yl << " " << xr << " " << yr << endl;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
//枚举在原矩阵中起点的位置,获取位置关系
///右下,约束为最大n+mix,m+miy
//左上,如果越界,约束为1,1
int dx = (xl - i), dy = (yl -j);
int x = mix + dx, y = miy + dy;
int xx = mix + dx + (xr - xl), yy = miy + dy + (yr - yl);
//cout << x << " " << y << " " << xx << " " << yy << endl;
if (xx <= 0 || yy <= 0) {
if (0 == sum - k)ans++;
continue;
}
x = max(1ll, x), y = max(1ll, y);
if ((mp[xx][yy] + mp[x - 1][y - 1] - mp[x - 1][yy] - mp[xx][y - 1]) == sum - k)ans++;
// int xx = i, yy = j;
// int x = i - (xr - xl), y = j - (yr - yl);
// x = max(1ll, x); y = max(1ll, y);
//if ((mp[xx][yy] + mp[x - 1][y - 1] - mp[x - 1][yy] - mp[xx][y - 1]) == sum - k)ans++;
//放左上角
}
}
cout << ans << endl;
return;
}
signed main() {
//ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//freopen("in.txt","r",stdin);
//freopen("out.txt","w",stdout);
int T_case = 1;
cin >> T_case;
while (T_case--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3764kb
input:
3 4 5 3 ULDDRR 4 5 0 UUUUUUU 4 5 10 UUUUUUU
output:
1 2 3 3 3 3 3 3 3 3 1 3 5 5 5 5 5 5 5 5 1 4 7 7 7 7 7 7 7 7 1 4 7 7 7 7 7 7 7 7 1 4 7 7 7 7 7 7 7 7 1 4 7 7 7 7 7 7 7 7 1 4 7 7 7 7 7 7 7 7 1 4 7 7 7 7 7 7 7 7 6 2 20 1 2 3 3 3 3 3 3 3 3 1 3 5 5 5 5 5 5 5 5 1 4 7 7 7 7 7 7 7 7 1 5 8 8 8 8 8 8 8 8 1 6 9 9 9 9 9 9 9 9 1 7 10 10 10 10 10 1...
result:
wrong answer 1st numbers differ - expected: '2', found: '1'