oj.uz

Submission #54661

# Submission time Handle Problem Language Result Execution time Memory
54661 2018-07-04T11:34:53 Z gs18115 Secret (JOI14_secret) C++14
30 / 100
 686 ms 7920 KB 
#include"secret.h"
#include<unordered_map>
using namespace std;
unordered_map<unsigned long long,bool>CHK;
unordered_map<unsigned long long,int>SEC;
int ST[4567];
int N2;
int Secret2(int X,int Y)
{
    unsigned long long P;
    P=X;
    P<<=32;
    P|=Y;
    if(CHK[P])
        return SEC[P];
    CHK[P]=true;
    return SEC[P]=Secret(X,Y);
}
void P(int I,int N)
{
    ST[I]=N;
    if(I==1)
        return;
    if(I&1)
        P(I>>1,Secret2(ST[I^1],N));
    else
        P(I>>1,Secret2(N,ST[I^1]));
}
int Q(int S,int F)
{
    if(S==F)
        return ST[S];
    else if(S==F-1)
        return Secret2(ST[S],ST[F]);
    int A;
    A=Q(S+1>>1,F-1>>1);
    if(S&1)
        A=Secret2(ST[S],A);
    if(!(F&1))
        A=Secret2(A,ST[F]);
    return A;
}
void Init(int N,int A[])
{
    for(N2=1;N2<N;N2<<=1);
    for(int i=0;i<N;i++)
        ST[i+N2]=A[i];
    for(int i=0;i<N+1>>1;i++)
        P((i<<1)+N2,ST[(i<<1)+N2]);
    int X;
    for(int i=0;i<N>>1;i++)
        X=Q(i+N2,i+N2+(N2>>1)+1);
    return;
}
int Query(int L,int R)
{
    return Q(L+N2,R+N2);
}

Compilation message

secret.cpp: In function 'int Q(int, int)':
secret.cpp:36:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     A=Q(S+1>>1,F-1>>1);
         ~^~
secret.cpp:36:17: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
     A=Q(S+1>>1,F-1>>1);
                ~^~
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:48:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     for(int i=0;i<N+1>>1;i++)
                   ~^~
secret.cpp:50:9: warning: variable 'X' set but not used [-Wunused-but-set-variable]
     int X;
         ^

Subtask #1
30.0 / 100.0

# Verdict Execution time Memory Grader output
1 Partially correct 228 ms 4564 KB Output is partially correct - number of calls to Secret by Init = 2670, maximum number of calls to Secret by Query = 9
2 Partially correct 208 ms 4564 KB Output is partially correct - number of calls to Secret by Init = 2671, maximum number of calls to Secret by Query = 10
3 Partially correct 209 ms 5216 KB Output is partially correct - number of calls to Secret by Init = 2623, maximum number of calls to Secret by Query = 11
4 Partially correct 686 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5582, maximum number of calls to Secret by Query = 11
5 Partially correct 662 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5577, maximum number of calls to Secret by Query = 12
6 Partially correct 622 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5589, maximum number of calls to Secret by Query = 4
7 Partially correct 622 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5590, maximum number of calls to Secret by Query = 11
8 Partially correct 635 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5583, maximum number of calls to Secret by Query = 10
9 Partially correct 641 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5581, maximum number of calls to Secret by Query = 10
10 Partially correct 627 ms 7920 KB Output is partially correct - number of calls to Secret by Init = 5597, maximum number of calls to Secret by Query = 11