Submission #1179735


Source Code Expand

#include<iostream>
#include<cstdlib>
#include<cstdio>
#include<cstring>
using namespace std;

const int N=5005;

int n,k;
int a[N];
int b[N];
int f[N][N];
int g[N][N];

int main()
{
	cin>>n>>k;
	for(int i=1;i<=n;i++) scanf("%d",&a[i]);
	f[0][0]=1;
	for(int i=1;i<=n;i++)
	{
		for(int j=0;j<=k;j++)
			f[i][j]=f[i-1][j];
		for(int j=0;j<=k-a[i];j++)
			if(f[i-1][j]) f[i][j+a[i]]=1;
	}
	g[n+1][0]=1;
	for(int i=n;i;i--)
	{
		for(int j=0;j<=k;j++)
			g[i][j]=g[i+1][j];
		for(int j=0;j<=k-a[i];j++)
			if(g[i+1][j]) g[i][j+a[i]]=1;
	}
	for(int i=1;i<=n+1;i++)
	{
		for(int j=0;j<=k;j++)
			if(g[i][j]) g[i][j]=j;
			else g[i][j]=g[i][j-1];
	}
	int ans=0;
	for(int i=1;i<=n;i++)
	{
		int mx=0;
		for(int j=0;j<k;j++) if(f[i-1][j]) mx=max(mx,j+g[i+1][k-1-j]);
		if(mx+a[i]>=k) ans++;
	}
	cout<<n-ans<<endl;
}
		

Submission Info

Submission Time
Task D - No Need
User liutao
Language C++14 (GCC 5.4.1)
Score 600
Code Size 856 Byte
Status AC
Exec Time 169 ms
Memory 195840 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%d",&a[i]);
                                         ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 300 / 300
Status
AC × 3
AC × 26
AC × 51
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt
Subtask 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_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, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_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, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_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, 2_037.txt, 2_038.txt, 2_039.txt, 2_040.txt, 2_041.txt, 2_042.txt, 2_043.txt, 2_044.txt, 2_045.txt, 2_046.txt, 2_047.txt, 2_048.txt, 2_049.txt, 2_050.txt
Case Name Status Exec Time Memory
0_000.txt AC 2 ms 2304 KB
0_001.txt AC 2 ms 2304 KB
0_002.txt AC 2 ms 2304 KB
1_003.txt AC 2 ms 2304 KB
1_004.txt AC 2 ms 2304 KB
1_005.txt AC 2 ms 2304 KB
1_006.txt AC 2 ms 2432 KB
1_007.txt AC 2 ms 2432 KB
1_008.txt AC 5 ms 17280 KB
1_009.txt AC 5 ms 17280 KB
1_010.txt AC 5 ms 17280 KB
1_011.txt AC 5 ms 17024 KB
1_012.txt AC 5 ms 17280 KB
1_013.txt AC 5 ms 17024 KB
1_014.txt AC 5 ms 17024 KB
1_015.txt AC 5 ms 17280 KB
1_016.txt AC 2 ms 2304 KB
1_017.txt AC 2 ms 2304 KB
1_018.txt AC 2 ms 2304 KB
1_019.txt AC 5 ms 17280 KB
1_020.txt AC 5 ms 17024 KB
1_021.txt AC 5 ms 17152 KB
1_022.txt AC 3 ms 8960 KB
1_023.txt AC 3 ms 8832 KB
1_024.txt AC 5 ms 17152 KB
1_025.txt AC 5 ms 17152 KB
2_026.txt AC 2 ms 2304 KB
2_027.txt AC 2 ms 2432 KB
2_028.txt AC 2 ms 2432 KB
2_029.txt AC 169 ms 195840 KB
2_030.txt AC 169 ms 195840 KB
2_031.txt AC 132 ms 195840 KB
2_032.txt AC 39 ms 193408 KB
2_033.txt AC 132 ms 195840 KB
2_034.txt AC 39 ms 193408 KB
2_035.txt AC 39 ms 193408 KB
2_036.txt AC 150 ms 195840 KB
2_037.txt AC 2 ms 2560 KB
2_038.txt AC 2 ms 2560 KB
2_039.txt AC 2 ms 2560 KB
2_040.txt AC 118 ms 195840 KB
2_041.txt AC 98 ms 195072 KB
2_042.txt AC 129 ms 195840 KB
2_043.txt AC 79 ms 125184 KB
2_044.txt AC 94 ms 169856 KB
2_045.txt AC 63 ms 161152 KB
2_046.txt AC 95 ms 194944 KB
2_047.txt AC 123 ms 195712 KB
2_048.txt AC 146 ms 195840 KB
2_049.txt AC 142 ms 195840 KB
2_050.txt AC 140 ms 195840 KB