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2. Triangle Star Pattern

Example

Pattern 2

N=5

∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
printTriangle.cpp 
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#include <bits/stdc++.h>
using namespace std;

void printTriangle(int n) {
    for(int i=0; i<n; i++) {
        for(int j=0; j<=i; j++) {
            cout << "* ";
        }
        cout << endl;
    }
}

int main(void) {
    int n;
    cin >> n;
    printTriangle(n);
    return 0;
}

Input: 5
Output: 

* 
* * 
* * * 
* * * * 
* * * * *