Submission #515807

#	Time	Username	Problem	Language	Result	Execution time	Memory
515807		aris12345678	Kamenčići (COCI21_kamencici)	C++14	70 / 70	1 ms	292 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, k;
    scanf("%d %d", &n, &k);
    string s;
    cin >> s;
    int l = 0, r = n-1, turn = 0, x = 1;
    vector<int> sum(2, 0);
    while(l <= r) {
        // cout << l << " " << r << " ";
        if(s[l] == 'P')
            l++;
        else if(s[r] == 'P')
            r--;
        else if(l+1 <= r && s[l+1] == 'C')
            l++, sum[turn]++;
        else if(l <= r-1 && s[r-1] == 'C')
            r--, sum[turn]++;
        else
            l++, sum[turn]++;
        // cout << turn << " " << sum[turn] << "\n";
        if(sum[turn] == k) {
            if(turn == 0)
                printf("NE\n");
            else
                printf("DA\n");
            break;
        }
        turn ^= x;
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40