Submission #59230

#	Time	Username	Problem	Language	Result	Execution time	Memory
59230		Just_Solve_The_Problem	New Home (APIO18_new_home)	C++11	0 / 100	514 ms	17968 KiB

new_home

#include <bits/stdc++.h>

using namespace std;

#define pii pair < int, int >
#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()

const int N = (int)3e5 + 7;
const int inf = (int)1e9 + 7;

int n, k, q;
int x[N], t[N], a[N], b[N];
pii ar[N];
vector < int > pos;
int cur[N];
vector < pii > query;
bool has[N];

main() {
	scanf("%d %d %d", &n, &k, &q);
	for (int i = 1; i <= n; i++) {
		scanf("%d %d %d %d", &ar[i].fr, &ar[i].sc, &a[i], &b[i]);		
		has[ar[i].sc] = 1;
		pos.pb(ar[i].fr);
	}
	for (int i = 1; i <= k; i++) {
		if (!has[i]) {
			for (int j = 1; j <= q; j++) {
				puts("-1");
			}
			return 0;
		}
	}
	sort(all(pos));
	for (int i = 1; i <= q; i++) {
		int l, y;
		scanf("%d %d", &l, &y);
		int pos1 = lower_bound(all(pos), l) - pos.begin();
		int ans = inf;
		ans = min(ans, pos[pos1] - l);
		if (pos1)
			ans = min(ans, l - pos[pos1 - 1]);
		printf("%d\n", ans);
	}
	
}

Compilation message (stderr)

new_home.cpp:24:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
new_home.cpp: In function 'int main()':
new_home.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &k, &q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &ar[i].fr, &ar[i].sc, &a[i], &b[i]);  
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:42:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &l, &y);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 10
• Subtask 4: 0 / 23
• Subtask 5: 0 / 35
• Subtask 6: 0 / 20