# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
482835 |
2021-10-26T13:56:01 Z |
glome |
Stove (JOI18_stove) |
C++17 |
|
68 ms |
7148 KB |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n,k;
cin >> n >> k;
vector<pair<int, int>> d;
vector<int> y(n);
for (int i = 0; i<n; i++) {
cin >> y[i];
}
for (int i = 0; i<n-1; i++) {
if(y[i] + 1 == y[i + 1]) {
continue;
}
d.push_back({y[i] + 1, y[i+1] - 1});
}
sort(d.begin(), d.end(), [&] (pair<int, int> A, pair<int, int> B) {
return A.second - A.first > B.second - B.first;
});
map<int, bool> mark;
for (int i = k - 1; i<d.size(); i++) {
mark[d[i].first - 1] = 1;
}
int ans = 0;
for (int i = 0; i<n - 1; i++) {
if(mark[y[i]]) {
if(i == 0) {
ans += (y[i + 1] + 1) - y[i];
continue;
}
if(mark[y[i-1]]) {
ans += y[i + 1] - y[i];
}
else {
ans +=( y[i + 1] + 1) - y[i];
}
}
else {
if(i == 0) {
ans++;
continue;
}
if(!mark[y[i-1]]) {
ans++;
}
}
}
if(n == 1) {
ans++;
}
if(n >= 2) {
if(!mark[y[n-2]]) {
ans++;
}
}
cout << ans << '\n';
return 0;
}
Compilation message
stove.cpp: In function 'int main()':
stove.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for (int i = k - 1; i<d.size(); i++) {
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
2 ms |
460 KB |
Output is correct |
11 |
Correct |
2 ms |
460 KB |
Output is correct |
12 |
Correct |
2 ms |
460 KB |
Output is correct |
13 |
Correct |
1 ms |
460 KB |
Output is correct |
14 |
Correct |
2 ms |
460 KB |
Output is correct |
15 |
Correct |
2 ms |
460 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
2 ms |
460 KB |
Output is correct |
11 |
Correct |
2 ms |
460 KB |
Output is correct |
12 |
Correct |
2 ms |
460 KB |
Output is correct |
13 |
Correct |
1 ms |
460 KB |
Output is correct |
14 |
Correct |
2 ms |
460 KB |
Output is correct |
15 |
Correct |
2 ms |
460 KB |
Output is correct |
16 |
Correct |
68 ms |
7092 KB |
Output is correct |
17 |
Correct |
58 ms |
7112 KB |
Output is correct |
18 |
Correct |
59 ms |
7056 KB |
Output is correct |
19 |
Correct |
58 ms |
7076 KB |
Output is correct |
20 |
Correct |
48 ms |
7108 KB |
Output is correct |
21 |
Correct |
41 ms |
7092 KB |
Output is correct |
22 |
Correct |
39 ms |
7080 KB |
Output is correct |
23 |
Correct |
40 ms |
7148 KB |
Output is correct |
24 |
Correct |
41 ms |
7072 KB |
Output is correct |