0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-08 15:18:46 +00:00

P3105 [USACO14OPEN]Fair Photography S

https://www.luogu.com.cn/record/83996634
This commit is contained in:
Baoshuo Ren 2022-08-16 14:17:14 +08:00
parent 76473772cf
commit 581447d2c4
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
21 changed files with 107 additions and 0 deletions

47
Luogu/P3105/P3105.cpp Normal file
View File

@ -0,0 +1,47 @@
#include <iostream>
#include <algorithm>
#include <cstring>
#include <utility>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 1e5 + 5;
int n, f[N << 1], ans;
std::pair<int, char> cows[N];
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
memset(f, 0x3f, sizeof(f));
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> cows[i].first >> cows[i].second;
}
std::sort(cows + 1, cows + 1 + n);
f[n] = cows[1].first;
for (int i = 2, x = n; i <= n; i++) {
x += cows[i - 1].second == 'W' ? -1 : 1;
f[x] = std::min(f[x], cows[i].first);
}
for (int i = n << 1; i; i--) {
f[i] = std::min(f[i], f[i + 2]);
}
for (int i = 1, x = n; i <= n; i++) {
x += cows[i].second == 'W' ? -1 : 1;
ans = std::max(ans, cows[i].first - f[x]);
}
cout << ans << endl;
return 0;
}

BIN
Luogu/P3105/data/P3105_1.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_1.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_10.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_10.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_2.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_2.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_3.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_3.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_4.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_4.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_5.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_5.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_6.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_6.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_7.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_7.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_8.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_8.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_9.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
Luogu/P3105/data/P3105_9.out (Stored with Git LFS) Normal file

Binary file not shown.