Submission #321012

#	Time	Username	Problem	Language	Result	Execution time	Memory
321012		tjdgus4384	구간 성분 (KOI15_interval)	C++14	100 / 100	377 ms	740 KiB

interval

#include<bits/stdc++.h>
using namespace std;
string s1, s2;
vector<int> v(30, 0), t(30, 0);
set<vector<int> > s;
 
int main(){
    cin >> s1 >> s2;
    for(int i = s1.size();i > 0;i--){
        if(i > s2.size()) continue;
        for(int j = 0;j < i;j++){
            v[s1[j]-'a']++;
        }
        s.insert(v);
        for(int j = i;j < s1.size();j++){
            v[s1[j-i]-'a']--;
            v[s1[j]-'a']++;
            s.insert(v);
        }
        for(int j = 0;j < 30;j++) v[j] = 0;
 
        for(int j = 0;j < i;j++){
            t[s2[j]-'a']++;
        }
        if(s.count(t)){
            printf("%d", i); return 0;
        }
        for(int j = i;j < s2.size();j++){
            t[s2[j-i]-'a']--;
            t[s2[j]-'a']++;
            if(s.count(t)){
                printf("%d", i); return 0;
            }
        }
        for(int j = 0;j < 30;j++) t[j] = 0;
      	s.clear();
    }
    printf("0");
    return 0;
}

Compilation message (stderr)

interval.cpp: In function 'int main()':
interval.cpp:10:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         if(i > s2.size()) continue;
      |            ~~^~~~~~~~~~~
interval.cpp:15:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         for(int j = i;j < s1.size();j++){
      |                       ~~^~~~~~~~~~~
interval.cpp:28:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for(int j = i;j < s2.size();j++){
      |                       ~~^~~~~~~~~~~

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