记录编号 |
360236 |
评测结果 |
AAAAAAAAAAAAAAAAAAAA |
题目名称 |
[NOIP 2014]飞扬的小鸟 |
最终得分 |
100 |
用户昵称 |
sxysxy |
是否通过 |
通过 |
代码语言 |
C++ |
运行时间 |
0.985 s |
提交时间 |
2016-12-28 08:31:25 |
内存使用 |
39.59 MiB |
显示代码纯文本
#include <cstdio>
#include <cstring>
#include <cstdarg>
#include <list>
#include <queue>
#include <vector>
using namespace std;
#define MAXN 10006
int up[MAXN], down[MAXN];
int P[MAXN], L[MAXN], H[MAXN];
int f[10111][1014];
int inf = 168430090;
int main()
{
freopen("birda.in", "r", stdin);
freopen("birda.out", "w", stdout);
int n, m, k;
scanf("%d %d %d", &n, &m, &k);
memset(f, 10, sizeof(f));
for(int i = 1; i <= n; i++)
{
scanf("%d", up+i-1);
scanf("%d", down+i-1);
L[i] = 0, H[i] = m+1; //,没有水管可以当作L = 0, H = m+1
}
for(int i = 1; i <= k; i++)
{
int p;scanf("%d", &p);
scanf("%d", L+p);
scanf("%d", H+p);
}
f[0][0] = inf;
for(int i = 1; i <= m; i++)f[0][i] = 0;
for(int i = 1; i <= n; i++)
{
for(int j = up[i-1]; j <= m; j++)
{
f[i][j] = min(f[i][j], f[i][j-up[i-1]]+1);
f[i][j] = min(f[i][j], f[i-1][j-up[i-1]]+1);
}
for(int j = m-up[i-1]; j <= m; j++)
{
f[i][m] = min(f[i][m], f[i][j]+1);
f[i][m] = min(f[i][m], f[i-1][j]+1);
}
for(int j = L[i]+1; j <= H[i]-1; j++)
{
if(j+down[i-1] <= m)
f[i][j] = min(f[i][j], f[i-1][j+down[i-1]]);
}
for(int j = 1; j <= L[i]; j++)f[i][j] = inf; // not reachable;
for(int j = H[i]; j <= m; j++)f[i][j] = inf;
}
int t = k, ans = inf;
for(int i = n; i; i--)
{
for(int j = L[i]+1; j < H[i]; j++)ans = min(f[i][j], ans);
if(ans != inf)break;
if(H[i] <= m)t--;
}
if(t == k)printf("%d\n%d\n", 1, ans);
else printf("%d\n%d\n", 0, t);
return 0;
}