slom

input/code.cpp: In function 'int main()':
input/code.cpp:17:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0; i<s.size(); ++i) M-=(n[i]==i);
                          ^
input/code.cpp:21:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0; i<s.size(); ++i){
                          ^

#include <iostream>
using namespace std;
int X;
string s;

int n[1010];
char ans[1010];

int main(){
  cin >> X >> s;
  for (int i=1; i<((int)s.size()-1)/2+1; ++i){
    n[i]=2*i;
    n[s.size()-i]=n[i]-1;
  }
  if (s.size()%2==0) n[s.size()/2]=s.size()-1;
  int M=s.size();
  for (int i=0; i<s.size(); ++i) M-=(n[i]==i);
  X%=M;
  X=M-X;
  
  for (int i=0; i<s.size(); ++i){
    int k=i;
    for (int j=0; j<X; ++j) k=n[k];
    ans[k]=s[i];
  }
  cout << ans << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: ACCEPTED

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: ACCEPTED

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED