백준 5656번: 비교 연산자

https://www.acmicpc.net/problem/5656

1. 문제

2. 알고리즘

키워드 - 구현

3. 코드

#include <iostream>
#include <sstream>
#include <string>
#include <algorithm>
#include <functional>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <stack>
#include <math.h>
#include <memory.h>
using namespace std;
 
#define MAX_SIZE 100
#define INF 0x7fffffff
#define CENDL "\n"
#define ll long long
 
int main() {
 
    cin.tie(0);
    std::ios::sync_with_stdio(false);
 
    int count = 1;
    while(true) {
        int a, b; string s;
        cin >> a >> s >> b;
        if (s == "E") {
            break;
        }
 
        cout << "Case " << count << ": ";
 
        if (s == "<") {
            if (a < b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
        else if(s == "<=") {
            if (a <= b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
        else if (s == ">") {
            if (a > b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
        else if(s == ">=") {
            if (a >= b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
        else if (s == "==") {
            if (a == b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
        else if(s == "!=") {
            if (a != b) {
                cout << "true";
            } else {
                cout << "false";
            }
        }
 
        cout << CENDL; count++;
    }
    return 0; 
}