0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-08 13:58:48 +00:00

1226. [SDOI2009]学校食堂Dining

https://hydro.ac/d/bzoj/record/6322ec6fbdf9bc31d160a0ae
This commit is contained in:
Baoshuo Ren 2022-09-15 17:12:28 +08:00
parent e10acb110f
commit 686aaa9256
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
51 changed files with 218 additions and 0 deletions

68
BZOJ/1226/1226.cpp Normal file
View File

@ -0,0 +1,68 @@
#include <iostream>
#include <cstring>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 1005;
const int INF = 0x3f3f3f3f;
int c, n, f[N][1 << 8][20];
std::pair<int, int> a[N];
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> c;
while (c--) {
memset(f, 0x3f, sizeof(f));
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i].first >> a[i].second;
}
f[1][0][7] = 0;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < 1 << 8; j++) {
for (int k = -8; k <= 7; k++) {
if (f[i][j][k + 8] != INF) {
if (j & 1) { // 当前同学吃了,无需考虑后方
f[i + 1][j >> 1][k + 7] = std::min(f[i + 1][j >> 1][k + 7], f[i][j][k + 8]);
} else {
int t = INF;
for (int l = 0; l <= 7; l++) {
if (j & 1 << l) continue;
if (i + l > t) break;
if (i + l <= n) t = std::min(t, i + l + a[i + l].second);
else t = std::min(t, i + l);
if (i + k) {
int x = i + k <= n ? a[i + k].first : 0,
y = i + l <= n ? a[i + l].first : 0;
f[i][j | 1 << l][l + 8] = std::min(f[i][j | 1 << l][l + 8], f[i][j][k + 8] + (x ^ y));
} else {
f[i][j | 1 << l][l + 8] = std::min(f[i][j | 1 << l][l + 8], f[i][j][k + 8]);
}
}
}
}
}
}
}
int ans = INF;
for (int i = 0; i <= 8; i++) {
ans = std::min(ans, f[n + 1][0][i]);
}
cout << ans << endl;
}
return 0;
}

BIN
BZOJ/1226/data/1.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/1.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/10.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/10.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/11.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/11.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/12.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/12.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/13.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/13.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/14.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/14.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/15.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/15.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/16.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/16.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/17.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/17.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/18.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/18.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/19.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/19.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/2.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/2.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/20.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/20.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/21.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/21.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/22.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/22.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/23.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/23.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/24.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/24.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/25.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/25.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/3.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/3.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/4.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/4.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/5.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/5.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/6.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/6.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/7.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/7.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/8.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/8.out (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/9.in (Stored with Git LFS) Normal file

Binary file not shown.

BIN
BZOJ/1226/data/9.out (Stored with Git LFS) Normal file

Binary file not shown.