Submission #660152

#	Time	Username	Problem	Language	Result	Execution time	Memory
660152		kinope	Editor (BOI15_edi)	C++14	0 / 100	116 ms	11900 KiB

edi

#include <bits/stdc++.h>
using namespace std;

struct p{
		int v; bool on;
};

int main(){
	int n;
	scanf("%d", &n);
	
	vector<p> act(n);
	vector<int> ojc(n, -1);
	set<pair<int, int>> s;
	
	for(int i = 0; i < n; ++i){
			int a;
			scanf("%d", &a);
			if(a > 0){
					act[i] = {a, 1};
					s.emplace(i, a);
					printf("%d\n", (*prev(s.end())).second);
					continue;
			}
			act[i] = {a, 1};
			
			for(int j = i-1; ~j; --j) if(act[j].v > a){
					ojc[i] = j;
					for(int x = j; ~x; x = ojc[x]){
							act[x].on^=1;
							if(ojc[x] < 0){
									pair<int, int> tmp = {x, act[x].v};
									if(act[x].on) s.emplace(x, act[x].v);
									else s.erase(tmp);
							}
					}
					break;
			}
			if(s.empty()) printf("0\n");
			else printf("%d\n", (*prev(s.end())).second);
	}
	
	return 0;
}

Compilation message (stderr)

edi.cpp: In function 'int main()':
edi.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
edi.cpp:18:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |    scanf("%d", &a);
      |    ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 15
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37