Submission #872911

#	Time	Username	Problem	Language	Result	Execution time	Memory
872911		vjudge1	Climbers (RMI18_climbers)	C++17	0 / 100	1 ms	2516 KiB

climbers

#include <bits/stdc++.h>
#define f first
#define S second
#define pb push_back
#define msk(x , y) ((x >> y) & 1)
#define all(x) x.begin() , x.end()
using namespace std;
typedef long long int ll;
const int N = 2e5 + 7;
const int mod = 1e9 + 7;
const int dx[] = {-1,-1,1,1,2,-2,2,-2};
const int dy[] = {-2,2,2,-2,1,1,-1,-1};

ll n , a[N] , p[N] , s[N];

void solve(){
	cin >> n ;
	ll ans = 0, pos = 0 , mx = 0 ;
	for(int i = 1 ; i <= n; i++){
		cin >> a[i];
		if(n != i) ans += abs(a[i] - a[i - 1]);
	}
	cout << ans << "\n";
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);  
    cout.tie(0);
    int test=1;
    // cin >> test ;
    for(int i=1;i<=test;i++){
//      cout << "Case " << i << ": ";
        solve();
     }
}

Compilation message (stderr)

climbers.cpp: In function 'void solve()':
climbers.cpp:18:14: warning: unused variable 'pos' [-Wunused-variable]
   18 |  ll ans = 0, pos = 0 , mx = 0 ;
      |              ^~~
climbers.cpp:18:24: warning: unused variable 'mx' [-Wunused-variable]
   18 |  ll ans = 0, pos = 0 , mx = 0 ;
      |                        ^~

• Subtask 1: 0 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 50