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# include <bits/stdc++.h>
using namespace std ;
/**
*9. 背包问题的变化
1) 题目:
输出01背包的具体方案
2) 输入:
同01背包
* @return
*/
# define maxV 1000
# define maxN 100
int main ( void ) {
int cases , n , v , ci [ maxN ] , wi ;
int f [ maxV ] ;
bool g [ maxN ] [ maxV ] ; //g[i][v]=0 表示没放i时的f(i, v)较大,
//g[i][v]=1 表示放进i时的f(i, v)较大
freopen ( " ../9.txt " , " r " , stdin ) ;
cin > > cases ;
while ( cases - - ) {
memset ( f , 0 , sizeof ( f ) ) ;
memset ( g , 0 , sizeof ( g ) ) ;
cin > > n > > v ;
for ( int i = 0 ; i < n ; i + + ) {
cin > > ci [ i ] > > wi ;
for ( int j = v ; j > = 0 ; j - - ) {
if ( j > = ci [ i ] ) {
if ( f [ j - ci [ i ] ] + wi > f [ j ] ) {
f [ j ] = f [ j - ci [ i ] ] + wi ;
g [ i ] [ j ] = 1 ;
}
}
}
}
int i = n - 1 , j = v ;
while ( i > = 0 ) {
if ( g [ i ] [ j ] = = 1 ) {
cout < < " 选了 " < < i < < endl ;
j - = ci [ i ] ;
} else {
cout < < " 没选 " < < i < < endl ;
}
i - - ;
}
cout < < endl ;
}
}