【c++】c++格式控制输出简单应用
// c++格式控制输出简单应用 // 九九乘法表对齐 #include <iostream> #include <iomanip> using namespace std; int main() { for (int i = 1; i < 10; i++) { for (int j = 1; j <= i; j++) { //cout << i << "*" << j << "=" << i*j<<'\t'; cout << setw(2) << i << "*" << j << "=" << i*j; } cout << endl; } return 0; }
<img src="http://img.blog.csdn.net/20150515230049917?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhhb3lhcWlhbjU1Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
<pre name="code" class="cpp">#include <iostream> #include <iomanip> using namespace std; int main() { int ar[9][9]; for (int i = 1; i <= 9; ++i) { for (int j = 1; j <= 9; ++j) { ar[i - 1][j - 1] = i*j; } } for (int i = 0; i<9; ++i) { for (int j = 0; j<9; ++j) { //cout << ar[i][j] << '\t'; cout << setw(4) << ar[i][j]; } cout << endl; } return 0; }
<img src="http://img.blog.csdn.net/20150515230229086?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhhb3lhcWlhbjU1Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
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