标签:
2099
#include<cstdio> #include<algorithm> #include<cmath> #include<string> #include<cstring> //#include<bits/stdc++.h> using namespace std; template<class T>inline T read(T&x) { char c; while((c=getchar())<=32)if(c==EOF)return 0; bool ok=false; if(c=='-')ok=true,c=getchar(); for(x=0; c>32; c=getchar()) x=x*10+c-'0'; if(ok)x=-x; return 1; } template<class T> inline T read_(T&x,T&y) { return read(x)&&read(y); } template<class T> inline T read__(T&x,T&y,T&z) { return read(x)&&read(y)&&read(z); } template<class T> inline void write(T x) { if(x<0)putchar('-'),x=-x; if(x<10)putchar(x+'0'); else write(x/10),putchar(x%10+'0'); } template<class T>inline void writeln(T x) { write(x); putchar('\n'); } //-------ZCC IO template------ const int maxn=100001; const double inf=999999999; #define lson (rt<<1),L,M #define rson (rt<<1|1),M+1,R #define M ((L+R)>>1) #define For(i,t,n) for(int i=(t);i<=(n);i++) typedef long long LL; typedef double DB; typedef pair<int,int> P; #define bug printf("---\n"); #define mod 1000000007 int dp[maxn]; int main() { int n,m,i,j,t,k; while(read_(n,m)) { int need,value; for(i=0;i<n;i++) { read_(need,value); for(j=m;j>=need;j--) dp[j]=max(dp[j-need]+value,dp[j]); } writeln(dp[m]); } return 0; }
标签:
原文地址:http://blog.csdn.net/u013167299/article/details/45101075