#include <stdio.h>
#include <string.h>

struct Entry { string name; string type; int scope; };

struct Entry table[64];
int count = 0;

int lookup(string name, int scope) {
  for (int i = count - 1; i >= 0; i--) {
    if (strcmp(table[i].name, name) == 0 && table[i].scope <= scope) {
      return i;
    }
  }
  return -1;
}

void insert(string name, string type, int scope) {
  table[count].name = name;
  table[count].type = type;
  table[count].scope = scope;
  count++;
}

int main() {
  insert("x", "int", 0);
  insert("total", "double", 0);
  insert("x", "char", 1);
  int i = lookup("x", 1);
  printf("x in scope 1 -> %s\n", table[i].type);
  int j = lookup("total", 0);
  printf("total in scope 0 -> %s\n", table[j].type);
  return 0;
}