oj.uz

답안 #71195

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
71195 2018-08-24T08:06:55 Z vanogam 구간 성분 (KOI15_interval) C++14
0 / 100
 1000 ms 47332 KB 
#include<bits/stdc++.h>
#pragma GCC optimize ("Ofast")
using namespace std;
long long s,d[30],f,g,h,j,k,mod=1ll<<55ll-1,mar=1507;
int i,a,l,n,m;
string x,z;
unordered_set<long long> q[1502];
main(){
    //ios::sync_with_stdio(0);
    d[0]=1;//cout<<mod;
    for(i=1;i<30;i++){
        d[i]=(d[i-1]*mar)%mod;
    }

    //srand(time(0));
    char c;
    while((c=getchar())!='\n') x+=c;
    while((c=getchar())!='\n') z+=c;
    //if(x.size()>z.size()) swap(x,z);
    //cout<<"*"<<x<<" "<<z<<"*";
    n=x.size();
    for(i=0;i<x.size();i++) x[i]-='a';
    for(i=0;i<z.size();i++) {z[i]-='a';}
    //random_shuffle(f,f+z.size());
    for(i=0;i<n;i++){
        h=0;
        for(a=i;a<n;a++){
            h+=d[x[a]];
            h^=mod;
            q[a-i].insert(h);
        }
    }
    m=z.size();
    for(i=0;i<m;i++){
        h=0;//cout<<i<<" ";
        //f=min(z.size(),i+x.size());
        for(a=i;a<m;a++){
            //if(a>i+x.size()) break;

            h+=d[z[a]];
            h^=mod;
            if(l<a-i+1 && q[a-i].find(h)!=q[a-i].end()) l=a-i+1;
        }
    }

    cout<<l;
}

Compilation message

interval.cpp:4:42: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
 long long s,d[30],f,g,h,j,k,mod=1ll<<55ll-1,mar=1507;
                                      ~~~~^~
interval.cpp:8:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
interval.cpp: In function 'int main()':
interval.cpp:22:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<x.size();i++) x[i]-='a';
             ~^~~~~~~~~
interval.cpp:23:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<z.size();i++) {z[i]-='a';}
             ~^~~~~~~~~
interval.cpp:28:22: warning: array subscript has type 'char' [-Wchar-subscripts]
             h+=d[x[a]];
                      ^
interval.cpp:40:22: warning: array subscript has type 'char' [-Wchar-subscripts]
             h+=d[z[a]];
                      ^

Subtask #1
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 3 ms 556 KB Output is correct
4 Correct 3 ms 740 KB Output is correct
5 Incorrect 3 ms 816 KB Output isn't correct

Subtask #2
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 4016 KB Output is correct
2 Incorrect 56 ms 5560 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 397 ms 22040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 102 ms 22040 KB Output is correct
2 Execution timed out 1088 ms 47332 KB Time limit exceeded
3 Halted 0 ms 0 KB -