Submission #701054

#	Time	Username	Problem	Language	Result	Execution time	Memory
701054		Richem	JJOOII 2 (JOI20_ho_t2)	C++14	13 / 100	2079 ms	856 KiB

ho_t2

#include <iostream>
using namespace std;

const int INF = 1e9;

int taille, niveau;
string mot;

int main() {
    cin >> taille >> niveau;

    cin >> mot;

    int rep = INF;
    for(int deb = 0; deb < taille; deb++) {
        if(mot[deb] != 'J') {
            continue;
        }

        int curId = deb;
        int nbJ = 0;
        int total = 0;

        while(curId < taille && nbJ < niveau) {
            nbJ += (mot[curId++] == 'J');
            total++;
        }
        if(nbJ != niveau) {
            continue;
        }

        int nbO = 0;
        while(curId < taille && nbO < niveau) {
            nbO += (mot[curId++] == 'O');
            total++;
        }

        if(nbO != niveau) {
            continue;
        }

        int nbI = 0;
        while(curId < taille && nbI < niveau) {
            nbI += (mot[curId++] == 'I');
            total++;
        }

        if(nbI == niveau) {
            rep = min(rep, total - 3 * niveau);
        }
    }
    if(rep == INF) {
        cout << "-1";
    }
    else {
        cout << rep;
    }    
}

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