AOJ0522 JOI and IOI
ちょっと解き方が馬鹿な気がする
#include<iostream> #include<string> using namespace std; int j,i; string s; int main(){ while(cin >> s){ j = i = 0; for(int k = 0; k < s.length() - 2; k++){ if(s[k] == 'J' && s[k+1] == 'O' && s[k+2] == 'I') j++; if(s[k] == 'I' && s[k+1] == 'O' && s[k+2] == 'I') i++; } printf("%d\n%d\n", j,i); } return 0; }