Submission #3246169

---

Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<stdbool.h>
#include<numeric>
#include<math.h>
#include<algorithm>
#include<set>
#include<string>
#include<stdlib.h>
typedef long long ll;
using namespace std;

//stringの使い方
int main(void) {
	int w, h, n;
	cin >> w >> h >> n;
	int xmax = w, xmin = 0, ymax = h, ymin = 0;
	int x, y, a;
	for (int i = 0;i < n;i++) {
		cin >> x >> y >> a;
		if (a == 1) {
			if (xmin <= x) {
				xmin = x;
			}
		}
		if (a == 2) {
			if (x <= xmax) {
				xmax = x;
			}
		}
		if (a == 3) {
			if (ymin <= y) {
				ymin = y;
			}
		}
		if (a == 4) {
			if (y <= ymax) {
				ymax = y;
			}
		}
	}
	if (xmax - xmin <= 0 || ymax - ymin <= 0)cout << 0 << endl;
	else cout << (xmax - xmin)*(ymax - ymin) << endl;
	return 0;
}

Submission Info

Judge Result