Submission #306420

#	Time	Username	Problem	Language	Result	Execution time	Memory
306420		colazcy	Cipele (COCI18_cipele)	C++17	90 / 90	44 ms	1272 KiB

cipele

#include <cstdio>
#include <cctype>
#include <vector>
#include <algorithm>
using namespace std;
const int maxn = 1e5 + 100;
inline int read(){
	int x = 0;char c = getchar();
	while(!isdigit(c))c = getchar();
	while(isdigit(c))x = x * 10 + c - '0',c = getchar();
	return x;
}
int va[maxn],vb[maxn];
inline bool check(int limit){
	int pos = 1;
	for(int i = 1;i <= vb[0];i++){
		while(pos <= va[0] && abs(va[pos] - vb[i]) > limit)pos++;
		if(pos == va[0] + 1)return false;
		pos++;
	}
	return true;
} 
int main(){
	va[0] = read(),vb[0] = read();
	for(int i = 1;i <= va[0];i++)va[i] = read();
	for(int i = 1;i <= vb[0];i++)vb[i] = read();
	if(va[0] < vb[0])swap(va,vb);
	sort(va + 1,va + 1 + va[0]);
	sort(vb + 1,vb + 1 + vb[0]);
	int l = 0,r = max(abs(va[1] - vb[vb[0]]),abs(vb[1] - va[va[0]])),ans = -1;
	while(l <= r){
		int mid = (l + r) >> 1;
		if(check(mid))ans = mid,r = mid - 1;
		else l = mid + 1;
	}
	printf("%d\n",ans);
	return 0;
}

• 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