Function cmp

Strings/Suffix Array Isomorphic.cpp:9–11

int str[N];
int buc[N], r[N], suf[N], X[N], Y[N], high[N];
bool cmp(int *r, int a, int b, int x) {
  return (r[a] == r[b] && r[a + x] == r[b + x]);
}
void suffix_array_DA(int n, int m) {
  int *x = X, *y = Y, i, j, k = 0, l;
  for (i = 0; i <= max(n, m); i++) buc[i] = 0;