Submission #1443452


Source Code Expand

#include<iostream>
#include<cstdio>
#include<map>
using namespace std;
int dp[410][2000];
int n;
int ans=1e9;
int l[410],r[410];
int mabs(int x)
{
	if(x<0)return -x;return x;
}
int main()
{
	scanf("%d",&n);
	if(n>400)
	{
		return 0;
	}
	for(int i=1;i<=n;i++)
	{
		scanf("%d%d",l+i,r+i);
		if(l[i]>400 || r[i]>400)return 0;
	}
	for(int i=1;i<=n;i++)
	{
		int ln=r[i-1]-l[i-1];
		for(int j=1;j<=400;j++)
		{
			dp[i][j]=1e9;
			int cst=mabs(l[i]-j);
			for(int k=max(1,j-ln);k<=min(400,j+r[i]-l[i]);k++)
			{
				if(dp[i-1][k]==1e9)continue;
				dp[i][j]=min(dp[i][j],dp[i-1][k]+cst);
				if(i==n)ans=min(ans,dp[i][j]);
			}
		}
	}
	printf("%d",ans);
	return 0;
}

Submission Info

Submission Time
Task E - NarrowRectangles
User ASSWECAN
Language C++14 (GCC 5.4.1)
Score 300
Code Size 702 Byte
Status WA
Exec Time 167 ms
Memory 2560 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:22:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",l+i,r+i);
                        ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 0 / 700
Status
AC × 3
WA × 2
AC × 13
AC × 16
WA × 21
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 WA 1 ms 256 KB
0_003.txt WA 1 ms 256 KB
0_004.txt AC 1 ms 256 KB
1_005.txt AC 3 ms 2432 KB
1_006.txt AC 4 ms 2432 KB
1_007.txt AC 167 ms 2432 KB
1_008.txt AC 65 ms 2432 KB
1_009.txt AC 62 ms 2432 KB
1_010.txt AC 66 ms 2432 KB
1_011.txt AC 66 ms 2432 KB
1_012.txt AC 64 ms 2432 KB
1_013.txt AC 69 ms 2560 KB
1_014.txt AC 70 ms 2432 KB
1_015.txt AC 65 ms 2432 KB
1_016.txt AC 67 ms 2432 KB
1_017.txt AC 71 ms 2432 KB
2_018.txt WA 1 ms 256 KB
2_019.txt WA 1 ms 256 KB
2_020.txt WA 1 ms 256 KB
2_021.txt WA 1 ms 256 KB
2_022.txt WA 1 ms 256 KB
2_023.txt WA 1 ms 256 KB
2_024.txt WA 1 ms 256 KB
2_025.txt WA 1 ms 256 KB
2_026.txt WA 1 ms 256 KB
2_027.txt WA 1 ms 256 KB
2_028.txt WA 1 ms 256 KB
2_029.txt WA 1 ms 256 KB
2_030.txt WA 1 ms 256 KB
2_031.txt WA 1 ms 256 KB
2_032.txt WA 1 ms 256 KB
2_033.txt WA 1 ms 256 KB
2_034.txt WA 1 ms 256 KB
2_035.txt WA 1 ms 256 KB
2_036.txt WA 1 ms 256 KB