Submission #515518

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Source Code Expand

#include <iostream>
#include <vector>
#include <string>

using namespace std;

string change(int km);

int main(){
	int m;
	cin >> m;

	double km = (double)m/1000;

	if (km < 0.1) cout << 00 << endl;
	if (0.1 <= km&&km <= 5) cout << change(km) << endl;
	if (6 <= km&&km <= 30) cout << km+50 << endl;
	if (35 <= km&&km <= 70) cout << (km - 30) / 5 + 80 << endl;
	if (km >= 70) cout << 89 << endl;

}

string change(int km){
	if (km < 10){
		return "0" + to_string(km);
	}
	return to_string(km);
}

Submission Info

Compile Error

./Main.cpp: In function ‘std::string change(int)’:
./Main.cpp:25:28: error: ‘to_string’ was not declared in this scope
./Main.cpp:27:21: error: ‘to_string’ was not declared in this scope