#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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
36 ms |
1116 KB |
Output is correct |
5 |
Correct |
74 ms |
2552 KB |
Output is correct |
6 |
Correct |
279 ms |
7568 KB |
Output is correct |
7 |
Correct |
559 ms |
14968 KB |
Output is correct |
8 |
Correct |
449 ms |
13012 KB |
Output is correct |
9 |
Correct |
406 ms |
12444 KB |
Output is correct |
10 |
Correct |
268 ms |
10104 KB |
Output is correct |
11 |
Correct |
265 ms |
10164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
36 ms |
1116 KB |
Output is correct |
5 |
Correct |
74 ms |
2552 KB |
Output is correct |
6 |
Correct |
279 ms |
7568 KB |
Output is correct |
7 |
Correct |
559 ms |
14968 KB |
Output is correct |
8 |
Correct |
449 ms |
13012 KB |
Output is correct |
9 |
Correct |
406 ms |
12444 KB |
Output is correct |
10 |
Correct |
268 ms |
10104 KB |
Output is correct |
11 |
Correct |
265 ms |
10164 KB |
Output is correct |
12 |
Incorrect |
140 ms |
4048 KB |
Output isn't correct |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |