Submission #768543

#	Time	Username	Problem	Language	Result	Execution time	Memory
768543		Trumling	Mutating DNA (IOI21_dna)	C++17	0 / 100	20 ms	2444 KiB

dna

#include <vector>
#include <string>
using namespace std;

vector<int> dp;

void init(string a, string b) {
    int n = a.length();
    dp.resize(n, 0);

    for (int i = 0; i < n; i++) {
        if (a[i] != b[i]) {
            dp[i] = 1;
        }
        if (i > 0) {
            dp[i] += dp[i - 1];
        }
    }
}

int get_distance(int x, int y) {
    int result = dp[y] - (x > 0 ? dp[x - 1] : 0);
    return result;
}

• Subtask 1: 0 / 21
• Subtask 2: 0 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16