adamkorg

#include <iostream>

using namespace std;

//leetcode supplied function (I've created an example): 
bool isBadVersion(int n) {
    return (n >= 4);
}

int firstBadVersion(int n) {

adamkorg

#include <iostream>

using namespace std;

bool knows(int a, int b);

int findCelebrity(int n) {
    if (n==0) return -1;
    int celeb = 0;
    for (int i=1; i<n; ++i) {

adamkorg

#include <iostream>

using namespace std;

bool knows(int a, int b);

int findCelebrity(int n) {
    for (int b=0; b<n; ++b) {
        int count=0;
        for (int a=0; a<n; ++n) {

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int numWays(int n, int k) {
    if (n==0 || k==0) return 0;
    if (n==1) return k; 
    if (n==2) return k*k;
    vector<int> dp {0,1,k};

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int numWays(int n, int k) {
    if (n==0 || k==0) return 0;
    vector<int> dp(n,1);

    for (int c=1; c<n; ++c) {

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int numWays(int n, int k) {
    if (n==0 || k==0) return 0;
    vector<vector<int>> dp(k, vector<int>(n,1));

    for (int c=1; c<n; ++c) {

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int hIndex(vector<int>& citations) {
    int h=0, len=citations.size();
    int l=0, r=len-1, m=l+(r-l)/2;
    while (l <= r) {
        m = l+(r-l)/2;

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int hIndex(vector<int>& citations) {
    int h=0, len=citations.size();
    for (int i=len-1; i>=0; --i) {
        if (citations[i] >= len-i) h++;
        else break;

adamkorg

#include <iostream>
#include <vector>

using namespace std;

int hIndex(vector<int>& citations) {
    sort(citations.begin(), citations.end(), greater<int>());
    int h = 0;
    for (int i=0; i<citations.size(); ++i) {
        if (citations[i] > i) h=i+1;

adamkorg

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

using namespace std;

string concat(string str, const string& strAdd) {
    if (!strAdd.empty() && strAdd != "Zero") {
        str += " ";
        str += strAdd;