oj.uz

Submission #202489

# Submission time Handle Problem Language Result Execution time Memory
202489 2020-02-16T11:25:22 Z orihehe Drvca (COCI19_drvca) C++17
110 / 110
 137 ms 7420 KB 
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <climits>
#include <unordered_set>
#include <unordered_map>
#include <cassert>
#include <iostream>
#include <string>
#include <ctime>
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define pci pair<char,int>
#define pdd pair<double,double>
#define pli pair<ll,int>
#define pil pair<int,ll>
#define pdi pair<double,int>
#define pdd pair<double,double>
#define mod 1000000000
#define mod1 1000000009
#define mod2 1000000021
#define INF 2000000001
#define MAX 9000001
long double PI = 3.141592653589793238462643383279502884197;
using namespace std;

/* 🐣🐥 */
int arr[100001];
int n;
multiset<int> sss, A, B;
bool solve(int t, int srt) {
	sss.clear();
	A.clear(), B.clear();
	for (int i = 0; i < n; i++) sss.insert(arr[i]);
	while (true) {
		if (sss.find(srt) != sss.end()) {
			A.insert(srt);
			sss.erase(sss.find(srt));
		}
		else break;
		srt += t;
	}
	if (sss.size() == 0) {
		printf("%d\n", A.size() - 1);
		int cnt = 0;
		for (auto iter = A.begin(); ++cnt < A.size(); ++iter) 
			printf("%d ", *iter);
		printf("\n1\n%d", *(--A.end()));
		return true;
	}
	if (sss.size() <= 2) {
		printf("%d\n", A.size());
		for (auto iter = A.begin(); iter != A.end(); ++iter)
			printf("%d ", *iter);
		printf("\n%d\n", sss.size());
		for (auto iter = sss.begin(); iter != sss.end(); ++iter)
			printf("%d ", *iter);
		return true;
	}
	else {
		int ed = *(--A.end());
		bool flag = false;
		srt = *sss.begin();
		auto e = --sss.end();
		t = min(*(++sss.begin()) - srt, *(--sss.end()) - *(--e));
		while (!sss.empty()) {
			if (sss.find(srt) == sss.end()) {
				if (A.count(srt)) {
					A.erase(A.find(srt));
					B.insert(srt);
					srt += t;
					flag = true;
					continue;
				}
				else return false;
			}
			B.insert(srt);
			sss.erase(sss.find(srt));
			srt += t;
		}
		while (flag && A.find(srt) != A.end()) {
			A.erase(A.find(srt));
			B.insert(srt);
			srt += t;
		}
		if (flag && A.find(ed) != A.end()) return false;
		if (A.size() == 0) return false;
		printf("%d\n", A.size());
		for (auto iter = A.begin(); iter != A.end(); ++iter)
			printf("%d ", *iter);
		printf("\n%d\n", B.size());
		for (auto iter = B.begin(); iter != B.end(); ++iter)
			printf("%d ", *iter);
		return true;
	}
	return false;
}
int main() {
	scanf("%d", &n);
	for (int i = 0; i < n; i++) scanf("%d", &arr[i]);
	if (n == 2) {
		printf("1\n%d\n1\n%d\n", arr[0], arr[1]);
		return 0;
	}
	sort(arr, arr + n);
	if (solve(arr[1] - arr[0], arr[0])) return 0;
	if (solve(arr[2] - arr[0], arr[0])) return 0;
	if (solve(arr[2] - arr[1], arr[1])) return 0;
	printf("-1");
}

Compilation message

drvca.cpp: In function 'bool solve(int, int)':
drvca.cpp:51:30: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::multiset<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("%d\n", A.size() - 1);
                  ~~~~~~~~~~~~^
drvca.cpp:53:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (auto iter = A.begin(); ++cnt < A.size(); ++iter) 
                               ~~~~~~^~~~~~~~~~
drvca.cpp:59:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::multiset<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("%d\n", A.size());
                  ~~~~~~~~^
drvca.cpp:62:30: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::multiset<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("\n%d\n", sss.size());
                    ~~~~~~~~~~^
drvca.cpp:95:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::multiset<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("%d\n", A.size());
                  ~~~~~~~~^
drvca.cpp:98:28: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::multiset<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("\n%d\n", B.size());
                    ~~~~~~~~^
drvca.cpp: In function 'int main()':
drvca.cpp:106:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
drvca.cpp:107:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 0; i < n; i++) scanf("%d", &arr[i]);
                              ~~~~~^~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 368 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 248 KB Output is correct
30 Correct 5 ms 256 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 6392 KB Output is correct
2 Correct 95 ms 6392 KB Output is correct
3 Correct 95 ms 6392 KB Output is correct
4 Correct 92 ms 6392 KB Output is correct
5 Correct 92 ms 6392 KB Output is correct
6 Correct 91 ms 6392 KB Output is correct
7 Correct 89 ms 6392 KB Output is correct
8 Correct 96 ms 6520 KB Output is correct
9 Correct 101 ms 6136 KB Output is correct
10 Correct 90 ms 6392 KB Output is correct
11 Correct 83 ms 6392 KB Output is correct
12 Correct 5 ms 376 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 368 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 248 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 91 ms 6392 KB Output is correct
32 Correct 95 ms 6392 KB Output is correct
33 Correct 95 ms 6392 KB Output is correct
34 Correct 92 ms 6392 KB Output is correct
35 Correct 92 ms 6392 KB Output is correct
36 Correct 91 ms 6392 KB Output is correct
37 Correct 89 ms 6392 KB Output is correct
38 Correct 96 ms 6520 KB Output is correct
39 Correct 101 ms 6136 KB Output is correct
40 Correct 90 ms 6392 KB Output is correct
41 Correct 83 ms 6392 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 94 ms 7420 KB Output is correct
44 Correct 137 ms 6392 KB Output is correct
45 Correct 90 ms 6776 KB Output is correct
46 Correct 93 ms 7416 KB Output is correct
47 Correct 119 ms 6392 KB Output is correct
48 Correct 91 ms 6772 KB Output is correct
49 Correct 93 ms 7416 KB Output is correct
50 Correct 113 ms 6392 KB Output is correct
51 Correct 96 ms 6904 KB Output is correct
52 Correct 97 ms 7416 KB Output is correct
53 Correct 120 ms 6392 KB Output is correct
54 Correct 90 ms 6776 KB Output is correct
55 Correct 94 ms 7416 KB Output is correct
56 Correct 87 ms 7416 KB Output is correct
57 Correct 84 ms 7416 KB Output is correct
58 Correct 5 ms 256 KB Output is correct