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Find the resulting Colour Combination in C++
We have a string with three colors (G, B, Y). We have to find the resulting color based on these relations −
- B * G = Y
- Y * B = G
- G * Y = B
Suppose the string is “GBYGB” is B. If the string is “BYB”, then it will be Y.
The approach is simple; we will take the string. Compare each alphabet with adjacent characters, using the given condition, find the color.
Example
#include <iostream>
using namespace std;
char combination(string s) {
char color = s[0];
for (int i = 1; i < s.length(); i++) {
if (color != s[i]) {
if ((color == 'B' || color == 'G') && (s[i] == 'G' || s[i] == 'B'))
color = 'Y';
else if ((color == 'B' || color == 'Y') && (s[i] == 'Y' || s[i] == 'B'))
color = 'G';
else
color = 'B';
}
}
return color;
}
int main() {
string color_str = "GBYBGY";
cout << "Color Combination Result: " << combination(color_str);
}Output
Color Combination Result: B
Updated on: 21-Oct-2019
198 Views
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