Submission #144360

#	Time	Username	Problem	Language	Result	Execution time	Memory
144360		brcode	Potatoes and fertilizers (LMIO19_bulves)	C++14	24 / 100	559 ms	14968 KiB

bulves

#include <iostream>

using namespace std;
const long long MAXN = 5e5+5;
long long arr[MAXN];
long long pref[MAXN];
int main(){
    long long n;
    cin>>n;
    for(long long i=1;i<=n;i++){
        long long a,b;
        cin>>a>>b;
        arr[i] = a-b;
        pref[i] = pref[i-1]+arr[i];
    }
    long long ans = 0;
    for(long long i=1;i<=n;i++){
        ans+=abs(pref[i]);
    }
    cout<<ans<<endl;
}

• Subtask 1: 24 / 24
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 36