Submission #1369850


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef priority_queue<ll> pq;
ll n, ml, mr, ans, a[100005], b[100005];
pq l, r;

ll upd (pq &A, pq &B, ll G) {
	ans += G;
	A.push(A.top() + mr - ml);
	ll V = B.top(); B.pop();
	B.push(V - G);
	B.push(V - G);
	return V - B.top();
}

int main()
{
	scanf("%lld",&n);
	for(ll i=1;i<=n;i++) {
		scanf("%lld%lld",&a[i],&b[i]);
	}

	l.push(0); r.push(0);
	ml = b[1]; mr = b[1];

	for(ll i=2;i<=n;i++) {
		ml -= b[i-1] - a[i-1];
		mr += b[i] - a[i];
		if(ml <= b[i] && b[i] <= mr) {
			ll GL = b[i] - ml, GR = mr - b[i];
			l.push(l.top()+GL);
			r.push(r.top()+GR);
			ml = b[i]; mr = b[i];
		}
		else if(b[i] < ml) {
			ll V = upd(r, l, ml - b[i]);
			mr = ml; ml = mr - V;
		}
		else {
			ll V = upd(l, r, b[i] - mr);
			ml = mr; mr = ml + V;
		}
	}
	printf("%lld\n",ans);
}

Submission Info

Submission Time
Task E - NarrowRectangles
User khsoo01
Language C++14 (GCC 5.4.1)
Score 1000
Code Size 884 Byte
Status AC
Exec Time 35 ms
Memory 3572 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
                  ^
./Main.cpp:21:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld",&a[i],&b[i]);
                                ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 700 / 700
Status
AC × 5
AC × 13
AC × 37
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_004.txt
Subtask 0_000, 0_001, 0_004, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 0_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 2_018.txt, 2_019.txt, 2_020.txt, 2_021.txt, 2_022.txt, 2_023.txt, 2_024.txt, 2_025.txt, 2_026.txt, 2_027.txt, 2_028.txt, 2_029.txt, 2_030.txt, 2_031.txt, 2_032.txt, 2_033.txt, 2_034.txt, 2_035.txt, 2_036.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 KB
0_003.txt AC 1 ms 256 KB
0_004.txt AC 1 ms 256 KB
1_005.txt AC 1 ms 256 KB
1_006.txt AC 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 1 ms 256 KB
1_009.txt AC 1 ms 256 KB
1_010.txt AC 1 ms 256 KB
1_011.txt AC 1 ms 256 KB
1_012.txt AC 1 ms 256 KB
1_013.txt AC 1 ms 256 KB
1_014.txt AC 1 ms 256 KB
1_015.txt AC 1 ms 256 KB
1_016.txt AC 1 ms 256 KB
1_017.txt AC 1 ms 256 KB
2_018.txt AC 30 ms 3572 KB
2_019.txt AC 28 ms 3572 KB
2_020.txt AC 26 ms 3572 KB
2_021.txt AC 33 ms 3524 KB
2_022.txt AC 33 ms 3480 KB
2_023.txt AC 33 ms 3476 KB
2_024.txt AC 33 ms 3528 KB
2_025.txt AC 33 ms 3476 KB
2_026.txt AC 33 ms 3572 KB
2_027.txt AC 33 ms 3572 KB
2_028.txt AC 33 ms 3528 KB
2_029.txt AC 33 ms 3524 KB
2_030.txt AC 33 ms 3540 KB
2_031.txt AC 35 ms 3528 KB
2_032.txt AC 35 ms 3540 KB
2_033.txt AC 35 ms 3508 KB
2_034.txt AC 35 ms 3512 KB
2_035.txt AC 32 ms 3572 KB
2_036.txt AC 29 ms 3572 KB