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Kangaroo.java
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Kangaroo.java
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#include <bits/stdc++.h>
using namespace std;
vector<string> split_string(string);
// Complete the kangaroo function below.
string kangaroo(int x1, int v1, int x2, int v2) {
if(x1==x2){
if(v1==v2){
return "YES";
}else{
return "NO";
}
}else{
if(x1>x2){
if(v1>=v2){
return "NO";
}else{
while(x2<x1){
x1+=v1;
x2+=v2;
}
if(x1==x2){
return "YES";
}else{
return "NO";
}
}
}else{
if(x2>x1){
if(v2>=v1){
return "NO";
}else{
while(x2>x1){
x1+=v1;
x2+=v2;
}
if(x1==x2){
return "YES";
}else{
return "NO";
}
}
}
}
}
return "error";
}
int main()
{
ofstream fout(getenv("OUTPUT_PATH"));
string x1V1X2V2_temp;
getline(cin, x1V1X2V2_temp);
vector<string> x1V1X2V2 = split_string(x1V1X2V2_temp);
int x1 = stoi(x1V1X2V2[0]);
int v1 = stoi(x1V1X2V2[1]);
int x2 = stoi(x1V1X2V2[2]);
int v2 = stoi(x1V1X2V2[3]);
string result = kangaroo(x1, v1, x2, v2);
fout << result << "\n";
fout.close();
return 0;
}
vector<string> split_string(string input_string) {
string::iterator new_end = unique(input_string.begin(), input_string.end(), [] (const char &x, const char &y) {
return x == y and x == ' ';
});
input_string.erase(new_end, input_string.end());
while (input_string[input_string.length() - 1] == ' ') {
input_string.pop_back();
}
vector<string> splits;
char delimiter = ' ';
size_t i = 0;
size_t pos = input_string.find(delimiter);
while (pos != string::npos) {
splits.push_back(input_string.substr(i, pos - i));
i = pos + 1;
pos = input_string.find(delimiter, i);
}
splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));
return splits;
}