[bzoj3709] [PA2014]Bohater

Posted 2020-07-26 czllgzmzl

　　贪心。先杀能回血的怪。。

　　杀能回血的怪的时候，显然是按着血量要求从低往高杀；

　　杀损血的怪的时候，就按回血量从大到小啥。

 1 #include<cstdio>
 2 #include<iostream>
 3 #include<cstring>
 4 #include<algorithm>
 5 #define ll long long
 6 using namespace std;
 7 const int maxn=100233;
 8 struct zs{int add,need,id;}a[maxn],b[maxn];
 9 int anum,bnum,ans;
10 int A[maxn];
11 int i,j,k,n;
12 ll m;
13  
14 int ra;char rx;
15 inline int read(){
16     rx=getchar(),ra=0;
17     while(rx<\'0\'||rx>\'9\')rx=getchar();
18     while(rx>=\'0\'&&rx<=\'9\')ra*=10,ra+=rx-48,rx=getchar();return ra;
19 }
20 bool cmpa(zs a,zs b){return a.need<b.need;}
21 bool cmpb(zs a,zs b){return a.add>b.add;}
22 int main(){
23     n=read(),m=read();
24     for(i=1;i<=n;i++){
25         j=read(),k=read();
26         if(j<=k)a[++anum]=(zs){k-j,j,i};
27         else b[++bnum]=(zs){k,j,i};
28     }
29     sort(a+1,a+1+anum,cmpa);
30     sort(b+1,b+1+bnum,cmpb);
31     for(i=1;i<=anum;i++)
32         if(m>a[i].need)m+=a[i].add,A[++ans]=a[i].id;else break;
33     if(i<=anum){puts("NIE");return 0;}
34     for(i=1;i<=bnum;i++)
35         if(m>b[i].need)m+=b[i].add-b[i].need,A[++ans]=b[i].id;else break;
36     if(i<=bnum){puts("NIE");return 0;}
37     puts("TAK");
38     for(i=1;i<n;i++)printf("%d ",A[i]);printf("%d\\n",A[n]);
39     return 0;
40 }

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