oj.uz

Submission #112137

# Submission time Handle Problem Language Result Execution time Memory
112137 2019-05-17T15:01:49 Z znfmxmrhlepf New Home (APIO18_new_home) C++14
0 / 100
 5000 ms 11324 KB 
#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]));
		

	}
}

Compilation message

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 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 640 KB Output is correct
2 Correct 2 ms 640 KB Output is correct
3 Incorrect 2 ms 640 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 640 KB Output is correct
2 Correct 2 ms 640 KB Output is correct
3 Incorrect 2 ms 640 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5024 ms 11324 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5059 ms 9436 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 640 KB Output is correct
2 Correct 2 ms 640 KB Output is correct
3 Incorrect 2 ms 640 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 640 KB Output is correct
2 Correct 2 ms 640 KB Output is correct
3 Incorrect 2 ms 640 KB Output isn't correct
4 Halted 0 ms 0 KB -