Submission #4011814


Source Code Expand

//https://atcoder.jp/contests/arc070/tasks/arc070_b
#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
#ifdef BTK
#define DEBUG if(1)
#else
#define CIN_ONLY if(1)
struct cww {cww() {CIN_ONLY{ios::sync_with_stdio(false); cin.tie(0);}}}star;
#define DEBUG if(0)
#endif
#define ALL(v) (v).begin(),(v).end()
#define REC(ret, ...) std::function<ret (__VA_ARGS__)>
template <typename T>inline bool chmin(T &l, T r){bool a = l>r; if (a)l = r; return a;}
template <typename T>inline bool chmax(T &l, T r){bool a = l<r; if (a)l = r; return a;}
template <typename T>istream& operator>>(istream &is, vector<T> &v){for (auto &it : v)is >> it;return is;}
class range {private: struct I { int x; int operator*() { return x; }bool operator!=(I& lhs) { return x<lhs.x; }void operator++() { ++x; } }; I i, n;public:range(int n) :i({ 0 }), n({ n }) {}range(int i, int n) :i({ i }), n({ n }) {}I& begin() { return i; }I& end() { return n; }};

constexpr int mod[] = {(int)1e9+7,(int)1e9+9};
using V=vector<LL>;
int main(){
    int N,K;
    cin>>N>>K;
    vector<int> A(N);
    cin>>A;
    int ret=N;
    vector<V> dp(2*K+10,V(2));
    dp[0][0]=1;
    //dp[0][1]=1;
    for(int i:range(N)){
        const int a= min(A[i],K);
        auto nx = dp;
        for(int j:range(a,2*K+10)){
            (nx[j][0]+=dp[j-a][0])%=mod[0];
            //(nx[j][1]+=dp[j-a][1])%=mod[1];
        }
        swap(dp,nx);
    }
    for(int i:range(N)){
        const int a= min(A[i],K);
        auto pr = dp;
        for(int j:range(a,K)){
            (pr[j][0]+=mod[0]-pr[j-a][0])%=mod[0];
            //(pr[j][1]+=mod[1]-pr[j-a][1])%=mod[1];
        }
        for(int j:range(K-a,K)){
            if(pr[j][0]||pr[j][1]){
                ret--;break;
            }
        }
    }
    cout<<ret<<endl;
    return 0;
}

Submission Info

Submission Time
Task D - No Need
User btk15049
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1849 Byte
Status TLE
Exec Time 2103 ms
Memory 1428 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 0 / 300
Status
AC × 3
AC × 26
AC × 36
TLE × 15
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 1 ms 256 KB
0_001.txt AC 2 ms 384 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 2 ms 384 KB
1_006.txt AC 2 ms 384 KB
1_007.txt AC 2 ms 384 KB
1_008.txt AC 31 ms 384 KB
1_009.txt AC 32 ms 384 KB
1_010.txt AC 30 ms 384 KB
1_011.txt AC 2 ms 256 KB
1_012.txt AC 30 ms 384 KB
1_013.txt AC 2 ms 256 KB
1_014.txt AC 2 ms 256 KB
1_015.txt AC 30 ms 384 KB
1_016.txt AC 2 ms 384 KB
1_017.txt AC 2 ms 256 KB
1_018.txt AC 2 ms 384 KB
1_019.txt AC 20 ms 384 KB
1_020.txt AC 2 ms 256 KB
1_021.txt AC 15 ms 256 KB
1_022.txt AC 8 ms 256 KB
1_023.txt AC 3 ms 256 KB
1_024.txt AC 17 ms 256 KB
1_025.txt AC 23 ms 384 KB
2_026.txt AC 3 ms 1408 KB
2_027.txt AC 5 ms 512 KB
2_028.txt AC 5 ms 512 KB
2_029.txt TLE 2103 ms 1428 KB
2_030.txt TLE 2103 ms 1428 KB
2_031.txt TLE 2103 ms 1428 KB
2_032.txt AC 7 ms 256 KB
2_033.txt TLE 2103 ms 1428 KB
2_034.txt AC 7 ms 256 KB
2_035.txt AC 6 ms 256 KB
2_036.txt TLE 2103 ms 1428 KB
2_037.txt AC 12 ms 1212 KB
2_038.txt AC 12 ms 1212 KB
2_039.txt AC 12 ms 1212 KB
2_040.txt TLE 2103 ms 1212 KB
2_041.txt TLE 2103 ms 916 KB
2_042.txt TLE 2103 ms 1160 KB
2_043.txt TLE 2103 ms 1168 KB
2_044.txt TLE 2103 ms 1024 KB
2_045.txt AC 1256 ms 696 KB
2_046.txt TLE 2103 ms 880 KB
2_047.txt TLE 2103 ms 1152 KB
2_048.txt TLE 2103 ms 1408 KB
2_049.txt TLE 2103 ms 1408 KB
2_050.txt TLE 2103 ms 1408 KB