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C++沒有輸出結果

m[10][10]和x[10]沒有初始化,裏面都是臟數據。

我將妳的main還數添加了壹些測試代碼,修改如下:

void main()

{

int n, c;

n = 5; c = 10;

int v[5] = {1,2,3,5,6};

int w[5] = {10,20,9,8,1};

int m[10][10] = {{0},{0},{0},{0},{0},{0},{0},{0},{0},{0}};

int x[10] = {0};

cout << "n = " << n << endl;

cout << "c = " << c << endl;

cout << "The element in v[5]" << endl;

for (int i = 0; i < 5; i++)

{

cout << "v[" << i << "] = " << v[i] << " ";

}

cout << endl;

cout << "The element in w[5]" << endl;

for (int i = 0; i < 5; i++)

{

cout << "w[" << i << "] = " << w[i] << " ";

}

cout << endl;

cout << "The element in m[10][10]" << endl;

for (int i = 0; i < 10; i++)

{

cout << "m[" << i << "] : " << endl;

for (int j = 0; j < 10; j++)

{

cout << m[i][j] << " ";

}

cout << endl;

}

cout << endl;

cout << "The element in x[10]" << endl;

for (int i = 0; i < 5; i++)

{

cout << "x[" << i << "] = " << x[i] << " ";

}

cout << endl;

Knapsack(v,w,c,n,m);

Traceback(m,w,c,n,x);

for(int i=0;i<10;i++)

cout<<x[i]<<endl;

cout<<"flag"<<endl;

printf("hello");

}

=============================================================

通過上面程序的運行似乎偶發現VS2005的壹個bug。

在debug的監視變量對話框中,幾個數組顯示的值和輸出來的還不壹樣,用cout打印出來的肯定沒問題。所以這可能監視變量有問題。剛開始我還以為數組的聲明格式有問題,存在數組越界覆蓋呢。這可能是vs2005的壹個bug。

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