Submission #717580

#	Time	Username	Problem	Language	Result	Execution time	Memory
717580		vjudge1	JJOOII 2 (JOI20_ho_t2)	C++11	0 / 100	1 ms	212 KiB

ho_t2

#include <bits/stdc++.h>

using namespace std;
vector<char> v;
int main(){
    int l,k,templ,cnt=0;
    cin >> l >> k;
    for(int i=0;i<l;i++){
        char c;
        cin >> c;
        v.push_back(c); 
    }
    templ=l;
    int p=0;
    while(v[p]!='J'){
        p++;
        templ--;
    }
    v.erase(v.begin()+p-1);
    int q=l-1;
    while(v[q]!='I'){
        q--;
        templ--;
    }
    if(q!=l-1){
        v.erase(v.begin()+q+1,v.end());
    }
    //cout << templ;
    int cntj=0,cnto=0,cnti=0,cntother=0;
    for(int i=0;i<templ;i++){
        if(v[i]=='J'){
            cntj++;
        }
        else if(v[i]=='O'){
            cnto++;
        }
        else if(v[i]=='I'){
            cnti++;
        }
        else{
            cntother++;
        }
    }
    int sum = cntj+cnto+cnti+cntother;
    cout << sum - k*3;
}

Compilation message (stderr)

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:6:19: warning: unused variable 'cnt' [-Wunused-variable]
    6 |     int l,k,templ,cnt=0;
      |                   ^~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 12
• Subtask 3: 0 / 87