func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MAXN = 10000 + 10;   int n, m;   int second[200], a[200];   bool vis[200];   int main() {     scanf(  %d %d , &n, &m);     for (int i = 0; i < m; i++) scanf(  %d , &second[i]);     for (int i = 0; i < m; i++) second[i]--;     bool win = true;     for (int i = 0; i < m - 1; i++) {       int next = second[i + 1];       if (next <= second[i]) next += n;       if (a[second[i]] == 0 ||           a[second[i]] != 0 && a[second[i]] == next - second[i])         a[second[i]] = next - second[i];       else         win = false;     }     for (int i = 0; i < n; i++) {       if (vis[a[i]] && a[i] != 0) win = false;       vis[a[i]] = true;     }     if (win) {       int ind = 1;       for (int i = 0; i < n; i++) {         if (a[i] == 0) {           while (vis[ind]) ind++;           a[i] = ind;           vis[ind] = true;         }       }       for (int i = 0; i < n; i++) {         if (i > 0) printf(   );         printf( %d , a[i]);       }       printf(  n );     } else       printf( -1 n );     return 0;   }   