Submission #5233755

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int Sf4(string a) {
	int o1 = a[0] - 48;
	int o2 = a[1] - 48;
	int o3 = a[2] - 48;
	int o4 = a[3] - 48;
	return o1 * 1000 + o2 * 100 + o3 * 10 + o4;
}

int Sl4(string a) {
	int o1 = a[5] - 48;
	int o2 = a[6] - 48;
	int o3 = a[7] - 48;
	int o4 = a[8] - 48;
	return o1 * 1000 + o2 * 100 + o3 * 10 + o4;
}

string fmt(int x) {
	string k = "xxxx";
	k[0] = x / 1000 + 48;
	x %= 1000;
	k[1] = x / 100 + 48;
	x %= 100;
	k[2] = x / 10 + 48;
	x %= 10;
	k[3] = x + 48;
	return k;
}

int main() {
	int N, a, b; cin >> N;
	string x;
	int T[310] = { 0 };
	for (int i = 0;i < N;i++) {
		cin >> x;
		a = Sf4(x);
		b = Sl4(x);
		T[(a / 100) * 12 + (a % 100) / 5]++;
		T[(b / 100) * 12 + 12 - (60 - b % 100) / 5]--;
	}
	a = 0;
	int ans;
	bool j = true;
	for (int i = 0;i < 310;i++) {
		a += T[i];
		if (j && a) {
			ans = (i / 12) * 100 + (i % 12) * 5;
			cout << fmt(ans);
			j = false;
		}
		if (!j && !a) {
			ans = (i / 12) * 100 + (i % 12) * 5;
			cout << "-" << fmt(ans) << endl;
			j = true;
		}
	}
}

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