PermCheck

코딜리 기본 문제이다

 

#include <algorithm>
 
// you can write to stdout for debugging purposes, e.g.
// cout << "this is a debug message" << endl;
 
int solution(vector<int> &A) {
    // write your code in C++14 (g++ 6.2.0)
    
    sort(A.begin(), A.end());
    
    int ok = 1;
    const int size = A.size();
    for(int i=1; i<size; i++) {
        if(A[i-1]+1 != A[i]) {
            ok = 0;
            break;
        }
    }
    
    return ok;
}