Submission #74102742

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define TianXAI return
#define shengcheng 0
long long n,l,r,ans;
vector<int>abc[26];
string s;
int main(){
    cin>>n>>l>>r>>s;
    for(long long i=0;i<n;i++) abc[s[i]-'a'].push_back(i);
    for(long long i=0;i<26;i++){
        vector<int>v=abc[i];
        long long sz=v.size(),l1=0,r1=0;
        if(sz==0) continue;
        for(long long i=0;i<sz;i++){
            while(l1<sz&&v[l1]-v[i]<l) l1++;
            while(r1<sz&&v[r1]-v[i]<=r) r1++;
            ans+=(r1-l1);
        }
    }
    cout<<ans;
    return 0;
}

Submission Info

Submission Time
Task C - Comfortable Distance
User TianX7891
Language C++ IOI-Style(GNU++20) (GCC 14.2.0)
Score 300
Code Size 587 Byte
Status AC
Exec Time 16 ms
Memory 6512 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 23
Set Name Test Cases
Sample sample00.txt, sample01.txt, sample02.txt
All sample00.txt, sample01.txt, sample02.txt, testcase00.txt, testcase01.txt, testcase02.txt, testcase03.txt, testcase04.txt, testcase05.txt, testcase06.txt, testcase07.txt, testcase08.txt, testcase09.txt, testcase10.txt, testcase11.txt, testcase12.txt, testcase13.txt, testcase14.txt, testcase15.txt, testcase16.txt, testcase17.txt, testcase18.txt, testcase19.txt
Case Name Status Exec Time Memory
sample00.txt AC 1 ms 1676 KiB
sample01.txt AC 1 ms 1676 KiB
sample02.txt AC 1 ms 1676 KiB
testcase00.txt AC 0 ms 1676 KiB
testcase01.txt AC 1 ms 1676 KiB
testcase02.txt AC 2 ms 2180 KiB
testcase03.txt AC 10 ms 5052 KiB
testcase04.txt AC 5 ms 2692 KiB
testcase05.txt AC 7 ms 3392 KiB
testcase06.txt AC 5 ms 2564 KiB
testcase07.txt AC 10 ms 5168 KiB
testcase08.txt AC 15 ms 5040 KiB
testcase09.txt AC 13 ms 5036 KiB
testcase10.txt AC 16 ms 5172 KiB
testcase11.txt AC 14 ms 5036 KiB
testcase12.txt AC 11 ms 6460 KiB
testcase13.txt AC 11 ms 6460 KiB
testcase14.txt AC 11 ms 6512 KiB
testcase15.txt AC 11 ms 6456 KiB
testcase16.txt AC 12 ms 6460 KiB
testcase17.txt AC 11 ms 6460 KiB
testcase18.txt AC 12 ms 6460 KiB
testcase19.txt AC 12 ms 6464 KiB