Trying to get this code to print 90, 92, 94, 95 hence no comma after the 95. Min

Question

Trying to get this code to print 90, 92, 94, 95 hence no comma after the 95. Mine is printing a comma after 95. How do i get it not to do this

#include <iostream>
#include <vector>
using namespace std;

int main() {
const int NUM_VALS = 4;
vector<int> hourlyTemp(NUM_VALS);
int i = 0;

hourlyTemp.at(0) = 90;
hourlyTemp.at(1) = 92;
hourlyTemp.at(2) = 94;
hourlyTemp.at(3) = 95;

for(i=0; i<NUM_VALS; ++i){
cin >> hourlyTemp.at(i);
}

for(i=0;i<NUM_VALS; ++i){
cout << hourlyTemp.at(i) << ", ";} /*Trying to get this to print 90, 92, 94, 95 */
cout << endl;

return 0;
}

Explanation / Answer

#include <iostream>

#include <vector>

using namespace std;

int main() {

const int NUM_VALS = 4;

vector<int> hourlyTemp(NUM_VALS);

int i = 0;

hourlyTemp.at(0) = 90;

hourlyTemp.at(1) = 92;

hourlyTemp.at(2) = 94;

hourlyTemp.at(3) = 95;

for(i=0; i<NUM_VALS; ++i){

cin >> hourlyTemp.at(i);

}

for(i=0;i<NUM_VALS; ++i){

cout << hourlyTemp.at(i) << (i == NUM_VALS-1 ? "" : ", ");} /*Trying to get this to print 90, 92, 94, 95 */

cout << endl;

return 0;

}

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