제출 #1116364

#제출 시각아이디문제언어결과실행 시간메모리
1116364gdragonPalembang Bridges (APIO15_bridge)C++17
0 / 100
1 ms336 KiB
#include <iostream>
#include <vector>

int main() {
    std::vector<long long> f = {0, 1, 3, 6, 10, 15}; // Prefix sum array
    
    // Lambda function defined in main
    auto getSum = [&](int l, int r) -> long long {
        return f[r] - (l > 1 ? f[l - 1] : 0);
    };
    
    // Example usage
    std::cout << getSum(2, 4) << std::endl; // Output: 9
    return 0;
}
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