สมการกำลังสอง (quadeq)

Author: Pakin Olanraktham

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View Problem Statement

Source: PROGRAMMING.IN.TH

Difficulty: ?

Prerequisites:

• การเขียนโปรแกรมเบื้องต้น

เฉลย

CC++

#include <stdio.h>
#include <math.h>

int main() {
    int a, b, c;
    scanf("%d %d %d", &a, &b, &c);

    int w, x, y, z;

    for (w = 1; w <= int(sqrt(a)); w++) {
        if (a % w == 0) {
            for (x = -abs(c); x <= abs(c); x++) {
                if (x != 0 && c % x == 0) {
                    y = a/w;
                    z = c/x;
                    if (w*z + x*y == b) {
                        printf("%d %d %d %d", w, x, y, z);
                        return 0;
                    }
                }
            }
        }
    }
    printf("No Solution");
}

#include <iostream>
#include <cmath>

using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;

    int w, x, y, z;

    for (w = 1; w <= (int)sqrt(a); w++) {
        if (a % w == 0) {
            for (x = -abs(c); x <= abs(c); x++) {
                if (x != 0 && c % x == 0) {
                    y = a/w;
                    z = c/x;
                    if (w*z + x*y == b) {
                        cout << w << " " << x << " " << y << " " << z;
                        return 0;
                    }
                }
            }
        }
    }
    cout << "No Solution";
}