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 |
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Set Name | Test Cases |
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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 |