Submission #30644581

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (n); ++i)

std::vector<std::string> split(const std::string& text, const char delim);

using ll = long long int;
using llu = unsigned long long int;

// y = (A / B)x
// d = sqrt(a^2 + b^2)
// 1 : d = xa : A
// xa = A / d

int main(){
    string buffer;
    getline(cin, buffer);
    auto input_list = split(buffer, ' ');
    const int A = stoi(input_list[0]);
    const int B = stoi(input_list[1]);
    const double d = sqrt(pow(A, 2) + pow(B, 2));
    cout << A / d << " " << B / d << endl;

    return 0;
}

std::vector<std::string> split(const std::string& text, const char delim) {
    std::vector<std::string> item_list;
    std::stringstream ss(text);
    std::string buffer;

    const size_t NUM_ITEM = std::count(text.begin(), text.end(), delim);
    item_list.reserve(NUM_ITEM + 1);

    while ( std::getline(ss, buffer, delim) ) {
        if (!buffer.empty()) {
                item_list.emplace_back(buffer);
        }
    }

    return item_list;
}

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