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Submission #88773

# Submission time Handle Problem Language Result Execution time Memory
88773 2018-12-08T15:42:46 Z arman_ferdous Studentsko (COCI14_studentsko) C++17
100 / 100
 6 ms 1236 KB 
#include <bits/stdc++.h>
using namespace std;

int n, k;
vector<int> arr, v;
map<int,int> id;

int lis() {
	vector<int> tmp;
	for(int i = 0; i < n; i++) {
		vector<int>::iterator it = upper_bound(tmp.begin(), tmp.end(), v[i]);
		if(it == tmp.end()) tmp.push_back(v[i]);
		else tmp[it - tmp.begin()] = v[i];
	} return tmp.size();
}

int main() {
	scanf("%d %d", &n, &k);
	for(int i = 0; i < n; i++) {
		int x; scanf("%d", &x);
		arr.push_back(x);
	} v = arr;
	sort(v.begin(), v.end());
	for(int i = 0; i < n; i++) 
		id[v[i]] = i/k;
	for(int i = 0; i < n; i++)
		v[i] = id[arr[i]];

	// for(int x : v) cerr << x << " "; cerr << endl;
	// 	cerr << "lis = " << lis() << endl;

	int ans = n - lis();
	printf("%d\n", ans);
	return 0;
}

Compilation message

studentsko.cpp: In function 'int main()':
studentsko.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~~
studentsko.cpp:20:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x; scanf("%d", &x);
          ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 372 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 372 KB Output is correct
2 Correct 2 ms 540 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 540 KB Output is correct
2 Correct 2 ms 556 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 876 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 952 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 952 KB Output is correct
2 Correct 5 ms 952 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 952 KB Output is correct
2 Correct 5 ms 996 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1080 KB Output is correct
2 Correct 5 ms 1080 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1172 KB Output is correct
2 Correct 5 ms 1172 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1236 KB Output is correct
2 Correct 6 ms 1236 KB Output is correct