Submission #1348021
Source Code Expand
#include<cstdio> #include<vector> using namespace std; using ll=long long; using vi=vector<int>; using vvi=vector<vi>; using vll=vector<ll>; using vvll=vector<vll>; int main(void) { int n, k; while(scanf("%d%d", &n, &k)==2) { vi a(n); vvi f(n+1), b(n+1); for(int i=0;i<n;i++) scanf("%d", &a[i]); for(int i=0;i<=n;i++) { f[i].resize(k); b[i].resize(k); b[i][0]=f[i][0]=1; } for(int i=0;i<n;i++) { f[i+1]=f[i]; for(int j=0;j+a[i]<k;j++) { if(!f[i][j]) continue; f[i+1][j+a[i]]=1; } } for(int i=n;i>0;i--) { b[i-1]=b[i]; for(int j=0;j+a[i-1]<k;j++) { if(!b[i][j]) continue; b[i-1][j+a[i-1]]=1; } } for(int i=0;i<=n;i++) { for(int j=0;j<k;j++) { if(b[i][j]) b[i][j]=j; else b[i][j]=b[i][j-1]; } } int ans=0; for(int i=0;i<n;i++) { for(int j=0;j<k;j++) { if(!f[i][j]) continue; if(j+b[i+1][k-1-j]+a[i]>=k) { ans++; break; } } } /* printf("----- f -----\n"); for(auto e:f) { for(auto ee:e) printf("%2d ", ee); printf("\n"); } printf("----- b -----\n"); for(auto e:b) { for(auto ee:e) printf("%2d ", ee); printf("\n"); } */ printf("%d\n", n-ans); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | myanta |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 1309 Byte |
Status | AC |
Exec Time | 221 ms |
Memory | 195968 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:22:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=0;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 | 1 ms | 256 KB |
0_001.txt | AC | 1 ms | 256 KB |
0_002.txt | AC | 1 ms | 256 KB |
1_003.txt | AC | 1 ms | 256 KB |
1_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 | 3 ms | 1536 KB |
1_009.txt | AC | 3 ms | 1536 KB |
1_010.txt | AC | 2 ms | 1536 KB |
1_011.txt | AC | 1 ms | 256 KB |
1_012.txt | AC | 2 ms | 1536 KB |
1_013.txt | AC | 1 ms | 256 KB |
1_014.txt | AC | 1 ms | 256 KB |
1_015.txt | AC | 2 ms | 1536 KB |
1_016.txt | AC | 1 ms | 256 KB |
1_017.txt | AC | 1 ms | 256 KB |
1_018.txt | AC | 1 ms | 256 KB |
1_019.txt | AC | 2 ms | 1024 KB |
1_020.txt | AC | 1 ms | 256 KB |
1_021.txt | AC | 2 ms | 896 KB |
1_022.txt | AC | 1 ms | 512 KB |
1_023.txt | AC | 1 ms | 256 KB |
1_024.txt | AC | 2 ms | 896 KB |
1_025.txt | AC | 2 ms | 1152 KB |
2_026.txt | AC | 1 ms | 256 KB |
2_027.txt | AC | 1 ms | 384 KB |
2_028.txt | AC | 1 ms | 384 KB |
2_029.txt | AC | 212 ms | 195968 KB |
2_030.txt | AC | 221 ms | 195968 KB |
2_031.txt | AC | 167 ms | 195968 KB |
2_032.txt | AC | 3 ms | 768 KB |
2_033.txt | AC | 167 ms | 195968 KB |
2_034.txt | AC | 2 ms | 768 KB |
2_035.txt | AC | 2 ms | 768 KB |
2_036.txt | AC | 168 ms | 195968 KB |
2_037.txt | AC | 2 ms | 640 KB |
2_038.txt | AC | 2 ms | 640 KB |
2_039.txt | AC | 2 ms | 640 KB |
2_040.txt | AC | 133 ms | 160640 KB |
2_041.txt | AC | 89 ms | 102528 KB |
2_042.txt | AC | 135 ms | 156800 KB |
2_043.txt | AC | 82 ms | 95232 KB |
2_044.txt | AC | 90 ms | 104448 KB |
2_045.txt | AC | 47 ms | 52224 KB |
2_046.txt | AC | 96 ms | 97280 KB |
2_047.txt | AC | 143 ms | 148480 KB |
2_048.txt | AC | 184 ms | 192128 KB |
2_049.txt | AC | 178 ms | 192128 KB |
2_050.txt | AC | 174 ms | 192128 KB |