Code for three runners time and position.

runners.cpp

#include <bits/stdc++.h>

using namespace std;

char prevrun1, prevrun2, prevrun3;
string run1, run2, run3;
int time1, time2, time3;
int prevtime1, prevtime2, prevtime3;

void formatt(int time){
	if(time < 0)
		cout << "Negative time";
		
	if(time < 60){
		cout << time << " seconds" << endl;
	}
	else if(time > 60 && time < 3600){
		int sec = time % 60;
		int min = time / 60;
		cout << min << " minutes " << sec << " seconds." << endl;
	}
	else{ // case for time > 3600
		int tempo = time % 3600;
		int hour = time / 3600;
		int min = tempo / 60;
		int sec = tempo % 60;
		cout << hour << " hours " << min << " minutes " << sec << " seconds" << endl;
	}
	return;
}

void takeRunnerNames(){
	cout << "Enter runners names: " << endl;
	cout << "Enter runner 1 name: " << endl;
	cin >> run1;
	cout << "Enter runner 2 name: " << endl;
	cin >> run2;
	cout << "Enter runner 3 name: " << endl;
	cin >> run3;
	return;
}

void takeRunnerTime(){
	cout << "Enter runners times in seconds: " << endl;
	cout << "Enter runner 1 time: " << endl;
	cin >> time1;
	cout << "Enter runner 2 time: " << endl;
	cin >> time2;
	cout << "Enter runner 3 time: " << endl;
	cin >> time3;

	if(time1 <0 || time2 < 0 || time3 < 0)
		cout << "Negative time values." << endl;
	return;
}

void takePreviousData(){
	cout << "Enter previous runners status as Y/y for yes and N/n for no: " << endl;
	cout << "Enter runner 1 status y or n OR Y or N: " << endl;
	cin >> prevrun1;
	if(prevrun1 == 'Y' || prevrun1 == 'y'){
		cout << "Enter previous time for runner 1" << endl;
		cin >> prevtime1;
	}
	cout << "Enter runner 2 status: " << endl;
	cin >> prevrun2;
	if(prevrun2 == 'Y' || prevrun2 == 'y'){
		cout << "Enter previous time for runner 2" << endl;
		cin >> prevtime2;
	}
	cout << "Enter runner 3 status: " << endl;
	cin >> prevrun3;
	if(prevrun3== 'Y' || prevrun3 == 'y'){
		cout << "Enter previous time for runner 3" << endl;
		cin >> prevtime3;
	}

	if(prevtime1 < 0 || prevtime2 < 0 || prevtime3 < 0)
		cout << "Negative time" << endl;
	return;
}

void printResults(){
	int maxx, minn;
	if(time1 >= time2 && time1 >= time3)
		maxx = 1;
	else if(time2 >= time1 && time2 >= time3)
		maxx = 2;
	else
		maxx = 3;

	
	if(time1 <= time2 && time1 <= time3)
		minn = 1;
	else if(time2 <= time1 && time2 <= time3)
		minn = 2;
	else
		minn = 3;

	cout << "Position 1 is achieved by runner " << minn << endl;

	if(maxx != 1 && minn != 1){
		cout << "Position 2 is achieved by runner " << 1 << endl;
	}
	else if(maxx != 2 && minn != 2){
		cout << "Position 2 is achieved by runner " << 2 << endl;
	}
	else if(maxx != 3 && minn != 3){
		cout << "Position 2 is achieved by runner " << 3 << endl;
 	}
	cout << "Position 3 is achieved by runner " << maxx << endl;
	return;
}

void printImprovements(){
	if(prevrun1 == 'Y' || prevrun1 == 'y'){
		cout << "Improvement for runner 1 is " << (prevtime1 - time1) << endl;
	}
	if(prevrun2 == 'Y' || prevrun2 == 'y'){
		cout << "Improvement for runner 2 is " << (prevtime2 - time2) << endl;
	}
	if(prevrun3 == 'Y' || prevrun3 == 'y'){
		cout << "Improvement for runner 3 is " << (prevtime3 - time3) << endl;
	}
	return;
}

void printAverage(){
	if(prevrun1 == 'Y' || prevrun1 == 'y'){
		cout << "Average for runner 1 is " << (prevtime1 + time1) / 2 << endl;
	}
	if(prevrun2 == 'Y' || prevrun2 == 'y'){
		cout << "Average for runner 2 is " << (prevtime2 + time2) / 2 << endl;
	}
	if(prevrun3 == 'Y' || prevrun3 == 'y'){
		cout << "Average for runner 3 is " << (prevtime3 + time3) / 2 << endl;
	}
	return;
}

int main(){
	takeRunnerNames();
	takeRunnerTime();
	takePreviousData();
	
	printResults();
	printImprovements();
	printAverage();
	return 0;
}