Submission #95200

#	Time	Username	Problem	Language	Result	Execution time	Memory
95200		Ort	Cipele (COCI18_cipele)	C++11	90 / 90	46 ms	2936 KiB

cipele

#include<algorithm>
#include<iostream>
#include<vector>
#include<cmath>

using namespace std;

int main() {
	cin.sync_with_stdio(0); cin.tie(0);
	cin.exceptions(cin.failbit);
	int n, m;
	cin >> n >> m;
	vector<int> a(n), b(m);
	for(int i=0;i<n;i++) cin >> a[i];
	for(int i=0;i<m;i++) cin >> b[i];
	sort(a.begin(),a.end()); sort(b.begin(),b.end());
	if(n>m) swap(a,b);
	int low = -1, high = 1e9, mid, t;
	bool valid;
	while(high-low>1) {
		mid = (low+high)>>1;
		t = 0; valid = 1;
		for(int i=0;i<a.size();i++) {
			if(t>=b.size()) {
				valid = 0;
				break;
			}
			while(t<b.size() && b[t]<=a[i] && a[i]-b[t]>mid) t++;
			if(t>=b.size() || abs(a[i]-b[t])>mid) {
				valid = 0;
				break;
			}
			t++;
		}
		if(valid) high = mid;
		else low = mid;
	}
	cout << high;
	return 0;
}

Compilation message (stderr)

cipele.cpp: In function 'int main()':
cipele.cpp:23:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<a.size();i++) {
               ~^~~~~~~~~
cipele.cpp:24:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(t>=b.size()) {
       ~^~~~~~~~~~
cipele.cpp:28:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    while(t<b.size() && b[t]<=a[i] && a[i]-b[t]>mid) t++;
          ~^~~~~~~~~
cipele.cpp:29:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(t>=b.size() || abs(a[i]-b[t])>mid) {
       ~^~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9