Submission #1730790
Source Code Expand
#include <iostream> #include <fstream> using namespace std; const int nmax=5025; int dp[2][nmax][nmax]; int a[nmax],l[nmax],r[nmax]; int n,i,j,k,ind,n1,n2,ans; bool check() { ind=1; for(j=n1;j>=1;j--) { while(ind<=n2&&l[j]+r[ind]<k) ind++; ind--; if(l[j]+r[ind]>=k-a[i]) return 1; } return 0; } int main() { //freopen("data.in","r",stdin); cin>>n>>k; dp[0][0][0]=1; for(i=1;i<=n;i++) { cin>>a[i]; for(j=0;j<=k;j++) dp[0][i][j]=dp[0][i-1][j]; for(j=k-a[i];j>=0;j--) dp[0][i][j+a[i]]|=dp[0][i][j]; } dp[1][n+1][0]=1; for(i=n;i>=1;i--) { for(j=0;j<=k;j++) dp[1][i][j]=dp[1][i+1][j]; for(j=k-a[i];j>=0;j--) dp[1][i][j+a[i]]|=dp[1][i][j]; } for(i=1;i<=n;i++) { n1=n2=0; for(j=0;j<k;j++) if(dp[0][i-1][j]) l[++n1]=j; for(j=0;j<k;j++) if(dp[1][i+1][j]) r[++n2]=j; if(!check()) ++ans; } cout<<ans; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | Bodo |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 1146 Byte |
Status | AC |
Exec Time | 240 ms |
Memory | 197120 KB |
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 | 8 ms | 17152 KB |
1_009.txt | AC | 8 ms | 17152 KB |
1_010.txt | AC | 7 ms | 17152 KB |
1_011.txt | AC | 6 ms | 17024 KB |
1_012.txt | AC | 7 ms | 17152 KB |
1_013.txt | AC | 6 ms | 17024 KB |
1_014.txt | AC | 6 ms | 17024 KB |
1_015.txt | AC | 7 ms | 17152 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 | 8 ms | 17152 KB |
1_020.txt | AC | 6 ms | 17024 KB |
1_021.txt | AC | 7 ms | 17152 KB |
1_022.txt | AC | 4 ms | 8960 KB |
1_023.txt | AC | 3 ms | 6784 KB |
1_024.txt | AC | 7 ms | 17152 KB |
1_025.txt | AC | 7 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 | 215 ms | 197120 KB |
2_030.txt | AC | 240 ms | 197120 KB |
2_031.txt | AC | 132 ms | 196992 KB |
2_032.txt | AC | 63 ms | 195328 KB |
2_033.txt | AC | 130 ms | 196992 KB |
2_034.txt | AC | 61 ms | 195328 KB |
2_035.txt | AC | 62 ms | 195328 KB |
2_036.txt | AC | 178 ms | 197120 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 | 127 ms | 197120 KB |
2_041.txt | AC | 123 ms | 196480 KB |
2_042.txt | AC | 156 ms | 197120 KB |
2_043.txt | AC | 96 ms | 123008 KB |
2_044.txt | AC | 117 ms | 169856 KB |
2_045.txt | AC | 83 ms | 161024 KB |
2_046.txt | AC | 128 ms | 196352 KB |
2_047.txt | AC | 164 ms | 196992 KB |
2_048.txt | AC | 192 ms | 197120 KB |
2_049.txt | AC | 183 ms | 197120 KB |
2_050.txt | AC | 177 ms | 197120 KB |