#include <iostream> using namespace std; int main(void) { float x,y; x= 2.3; y=2.123456; cout <<x; cout << std::precision(2)<<x; cout <<y; cout << std::precision(2)<<y; cout << std::precision(0)<<y ; return 0; }
Standard input is empty
prog.cpp: In function ‘int main()’: prog.cpp:8:9: error: ‘precision’ is not a member of ‘std’ cout << std::precision(2)<<x; ^~~ prog.cpp:10:9: error: ‘precision’ is not a member of ‘std’ cout << std::precision(2)<<y; ^~~ prog.cpp:11:9: error: ‘precision’ is not a member of ‘std’ cout << std::precision(0)<<y ; ^~~
Standard output is empty