Submission #956137

#	Time	Username	Problem	Language	Result	Execution time	Memory
956137		Dennis_Jason	JJOOII 2 (JOI20_ho_t2)	C++14	0 / 100	1 ms	348 KiB

ho_t2

#include <bits/stdc++.h>

#define NMAX 200001
#define KMAX 15
#define pb push_back
#define MOD 1000000007
#define nl '\n'
#define INF 0x3f3f3f3f
#define pii1 pair<int, pair<int,int>>  (1,(1,2));
#define pii pair<int,int>
#define tpl tuple<int, int,int,int>
#define int long long
using namespace std;
ifstream fin("data.in");
ofstream fout("data.out");
int n,k;
string s;

signed main() {

    cin>>n>>k;
    cin>>s;
    int mini=INF;
    for(int i=0;i<s.size();++i)
    {
        int sum=0;
        bool ok=false;
        if(s[i]=='J')
        {

            int cntJ=1,cntO=0,cntI=0;

            for(int j=i+1;j<s.size();++j)
            {
                if(cntJ==k && cntO==k && cntI==k) {
                    ok=true;
                    break;
                }
                if(s[j]=='J'&& cntJ<k)
                {
                    cntJ++;
                }
                else if(s[j]=='J'&& cntJ==k)
                    sum++;
                if(s[j]=='O'&& cntJ==k && cntO<k)
                {
                    cntO++;
                }
                else if(s[j]=='O'&& cntO==k)
                    sum++;
                if(s[j]=='I'&& cntJ==k && cntO==k && cntI<k)
                    cntI++;
                else if(s[j]=='I'&& cntO<k)
                    sum++;

            }
        }
        if(ok)
            mini=min(mini,sum);
    }
    if(mini=INF)
        cout<<-1;
    else
        cout<<mini;
    return 0;

}

Compilation message (stderr)

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:24:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i=0;i<s.size();++i)
      |                 ~^~~~~~~~~
ho_t2.cpp:33:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |             for(int j=i+1;j<s.size();++j)
      |                           ~^~~~~~~~~
ho_t2.cpp:61:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   61 |     if(mini=INF)
      |            ^

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