[C++] 10869번 / 10430번

10869번 - 사칙연산 ( www.acmicpc.net/problem/10869 )

#include <stdio.h>

int main() {
	int a, b;
	scanf("%d %d", &a, &b);
	printf("%d\n%d\n%d\n%d\n%d", a + b, a - b, a * b, a / b, a % b);
}

 

#include <iostream>
using namespace std;

int main() {
	int a, b;
	cin >> a >> b;
	cout << a + b << "\n" << a - b << "\n" << a * b << "\n" << a / b << "\n" << a % b;
}

 

10430번 - 나머지 ( www.acmicpc.net/problem/10430 )

#include <stdio.h>

int main() {
	int a, b, c;
	scanf("%d %d %d", &a, &b, &c);
	printf("%d\n%d\n%d\n%d", (a + b) % c, ((a % c) + (b % c)) % c, (a * b) % c, ((a % c) * (b % c) % c));
}

 

#include <iostream>
using namespace std;

int main() {
	int a, b, c;
	cin >> a >> b >> c;
	cout << (a + b) % c << "\n" << ((a % c) + (b % c)) % c << "\n" << (a * b) % c << "\n" << ((a % c) * (b % c) % c);
}