Submission #71231

#	Time	Username	Problem	Language	Result	Execution time	Memory
71231		vanogam	구간 성분 (KOI15_interval)	C++14	100 / 100	247 ms	25784 KiB

interval

#include<bits/stdc++.h>
#pragma GCC optimize ("Ofast")
using namespace std;
long long s,d[30],f,g,h,j,k,mod,mar=1507;
int i,a,l,n,m;
string x,z;
vector<long long> v1[1502],v2[1502];
main(){
    //ios::sync_with_stdio(0);
    d[0]=1;//cout<<mod;
    for(i=1;i<30;i++){
        d[i]=(d[i-1]*mar);
    }

    //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;
            v1[a-i].push_back(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;
            v2[a-i].push_back(h);
        }

    }
    for(i=0;i<min(n,m);i++){
        sort(v1[i].begin(),v1[i].end());
        sort(v2[i].begin(),v2[i].end());
        j=0;
        for(s=0;s<v1[i].size();s++){
            while(j<v2[i].size() && v2[i][j]<v1[i][s]) j++;
            if(v2[i][j]==v1[i][s]) {l=i+1;break;}
        }
    }
    cout<<l;
}

Compilation message (stderr)

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]];
                      ^
interval.cpp:50:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(s=0;s<v1[i].size();s++){
                 ~^~~~~~~~~~~~~
interval.cpp:51:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(j<v2[i].size() && v2[i][j]<v1[i][s]) j++;
                   ~^~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 31 / 31
• Subtask 4: 39 / 39