제출 #112137

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
112137		znfmxmrhlepf	새 집 (APIO18_new_home)	C++14	0 / 100	5059 ms	11324 KiB

new_home

#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>
#include <iostream>
using namespace std;

typedef pair<int, int> pii;
struct pos{int x, t, a, b;};

const int MAX_n = 3*100000;
int n, q, k;
pos str[MAX_n+1];

int main(){
	scanf("%d %d %d", &n, &k, &q);

	vector<pii> locs;
	for(int i=0; i<n; i++){
		scanf("%d %d %d %d", &str[i].x, &str[i].t, &str[i].a, &str[i].b);
		locs.push_back({str[i].x, i});
	}

	sort(locs.begin(), locs.end());

	for(int i=0; i<q; i++){
		int ql, qy;
		scanf("%d %d", &ql, &qy);
		bool typeFlag[MAX_n]={0,};

		vector<int> locs_x;
		for(int j=0; j<n; j++){
			int idx = locs[j].second;
			if((str[idx].a-qy)*(str[idx].b-qy) <= 0){ // store j exist
				typeFlag[str[idx].t]=true;
				locs_x.push_back(locs[j].first);
			}
		}

		bool flag=true;
		for(int j=1; j<=k; j++){
			if(!typeFlag[j])
				flag=false;
		}
		
		if(!flag){
			cout << -1;
			continue;
		}
		
		int lb;
		lb = lower_bound(locs_x.begin(), locs_x.end(), ql)-locs_x.begin();
		if(lb == 0)
			printf("%d\n", locs_x[0]-ql);

		else if(lb == locs_x.size())
			printf("%d\b", ql - locs_x.back());
		
		else printf("%d\n", max(locs_x[lb]-ql, ql-locs_x[lb-1]));
		

	}
}

컴파일 시 표준 에러 (stderr) 메시지

new_home.cpp: In function 'int main()':
new_home.cpp:56:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   else if(lb == locs_x.size())
           ~~~^~~~~~~~~~~~~~~~
new_home.cpp:16:7: 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:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &str[i].x, &str[i].t, &str[i].a, &str[i].b);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &ql, &qy);
   ~~~~~^~~~~~~~~~~~~~~~~~~

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