【c++】c++格式控制輸出簡單應用

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// c++格式控制輸出簡單應用// 九九乘法表對齊#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="" />

【c++】c++格式控制輸出簡單應用