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- #include <iostream>
- using namespace std;
- int main ()
- {int n = 1234;
- cout.width (9); // 位宽设置
- cout.fill ('0');// 不满足位宽的数字用 0 补齐
- cout<< right << n << endl;
- float m = 0.123;
- cout.precision (2);
- cout << m <<endl;
- return 0;
- }
结果如下
- 000001234
- 0.12
-
- Process returned 0 (0x0) execution time : 0.147 s
- Press any key to continue.
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