#include "souvenirs.h" #include <bits/stdc++.h> #define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++) #define FORD(i, b, a) for (int i = (b), _a = (a); i >= _a; i--) #define REP(i, n) for (int i = 0, _n = (n); i < _n; i++) #define FORE(i, v) for (__typeof((v).begin()) i = (v).begin(); i != (v).end(); i++) #define ALL(v) (v).begin(), (v).end() #define int long long #define MASK(i) (1LL << (i)) #define BIT(x, i) (((x) >> (i)) & 1) using namespace std; void buy_souvenirs(int N, int P0) { if(n == 2) { transaction(P0 - 1); } }

souvenirs.cpp: In function 'void buy_souvenirs(long long int, long long int)':
souvenirs.cpp:14:8: error: 'n' was not declared in this scope
   14 |     if(n == 2) {
      |        ^