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c-=w[i];

}

}

if(m[n][c] >0)

flag[n] = 1;

else

flag[n] = 0;

}

/* 打印最優解*/

void printResult(int flag[NUM],int w[NUM],int v[NUM],int m[NUM][content])

{

int i;

printf("the knapsack should contain:\n");

printf(" num weight value \n");

for(i = 0;i < NUM; i++)

{

if(flag[i] == 1)

printf("?? %d???? %d????? %d\n",i,w[i],v[i]);

}

printf("the max value in the knapsack is: %d\n",m[0][content]);

printf("the real weight of the knapsack is: %d\n",m[0][content]);

}

int main()

{??? int i;

int value[NUM];

int weight[NUM];

int c = content;

int maxvalue[NUM][content];

int flag[NUM]={0,0,0,0,0,0,0,0,0,0};

system("cls");

printf("****************************************\n");

printf("*??????????????? welcome???????????????? *\n");

printf("*?????? this program will solve????????? *\n");

printf("*?????? the problem of knapsack????????? *\n");

printf("****************************************\n");

printf("please input the value of every one:\n");

for(i = 0;i < NUM; i++)

scanf("%d",&value[i]);

printf("please input the weight of every one:\n");

for(i = 0;i < NUM; i++)

scanf("%d",&weight[i]);

/*計算最優值*/

knapsack(value,weight,c,maxvalue);

/*構造最優解*/

traceback(flag,weight,maxvalue);

/*打印程序的結果*/

printResult(flag,weight,value,maxvalue);

getch();

return 0;

}

總結

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