Lumimyrsky

input/code.cpp:7:1: error: expected unqualified-id before 'int'
    7 | int prevB = 0;
      | ^~~
input/code.cpp: In function 'int main()':
input/code.cpp:25:14: error: 'prevB' was not declared in this scope; did you mean 'prevA'?
   25 |         if(x-prevB>0){
      |              ^~~~~
      |              prevA
input/code.cpp:28:9: error: 'prevB' was not declared in this scope; did you mean 'prevA'?
   28 |         prevB = x;
      |         ^~~~~
      |         prevA

#include <bits/stdc++.h>

using namespace std;

int prevA = 0,
int prevB = 0;

int nousuA = 0;
int nousuB = 0;

int main(){
    for(int i = 0; i<10; i++){
        int x;
        cin >> x;
        if(x-prevA>0){
            nousuA += x;
        }
        prevA = x;
    }

    for(int i = 0; i<10; i++){
        int x;
        cin >> x;
        if(x-prevB>0){
            nousuB += x;
        }
        prevB = x;
    }

    if(nousuA<nousuB){
        cout << "1";
    }
    else{
        cout << "2";
    }
}