Submission #1071064

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071064		sleepntsheep	Arranging Tickets (JOI17_arranging_tickets)	C++14	10 / 100	249 ms	596 KiB

arranging_tickets

#include <stdio.h>
#include <algorithm>
using namespace std;

int z = 1e9, n, m, a[22], b[22], p[22];

int main() {
	scanf("%d%d", &n, &m);
	for (int _, i = 0; i < m; ++i) {
		scanf("%d%d%d", a + i, b + i, &_), --a[i], --b[i];
		if (a[i] > b[i]) swap(a[i], b[i]);
	}

	for (int j = 0; j < (1 << m); ++j) {
		for (int i = 0; i < n; ++i) p[i] = 0;
		for (int i = 0; i < m; ++i) {
			if ((j >> i) & 1) {
				++p[a[i]], --p[b[i]];
			} else {
				++p[0], --p[a[i]], ++p[b[i]];
			}
		}
		for (int i = 1; i < n; ++i) p[i] += p[i - 1];
		int e = *max_element(p, p + n);
		if (z > e) z = e;
	}
	printf("%d", z);
}

Compilation message (stderr)

arranging_tickets.cpp: In function 'int main()':
arranging_tickets.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
arranging_tickets.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d%d%d", a + i, b + i, &_), --a[i], --b[i];
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 35
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 15