View Compilation Error

0_0_21109241_16789.cpp: In function 'int main()':
0_0_21109241_16789.cpp:14:25: error: 'setefill' was not declared in this scope
     cout << setefill('0') << setw(2) << seti;
                         ^
0_0_21109241_16789.cpp:14:41: error: 'seti' was not declared in this scope
     cout << setefill('0') << setw(2) << seti;
                                         ^