Submission #1007028

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

using rain = pair<int, int>;

int down(int time) {
	return time - (time % 5);
}

int up(int time) {
	if (time % 5 == 0) {
		return time;
	}

	time += 5 - (time % 5);
	if (time % 100 == 60) {
		time += 100 - 60;
	}
	return time;
}

int main() {
	int a, b;

	int n;
	scanf("%d", &n);
	vector<rain> v;
	for (int i = 0; i < n; i++) {
		scanf("%d-%d", &a, &b);
		a = down(a);
		b = up(b);
		v.push_back({a, b});
	}

	sort(begin(v), end(v));

	rain r = v.front();

	for (int i = 1; i < n; i++) {
		rain h = v[i];
		if (r.first <= h.first && h.first <= r.second) {
			r.second = (h.second > r.second ? h.second : r.second);
		}
		else {
			printf("%04d-%04d\n", r.first, r.second);
			r = h;
		}
	}
	printf("%04d-%04d\n", r.first, r.second);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:30:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d-%d", &a, &b);
                         ^

Judge Result