#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
map<ll, int> dp[2];
int cnt[1001000];
int a[1001000];
vector<int> d[1001000];
bool cmp(int a, int b){
if(cnt[a] == cnt[b]) return a > b;
return cnt[a] > cnt[b];
}
ll h(ll a, ll b){
return a * 1e7 + b;
}
void solve(){
int n, m;
cin>>n>>m;
for(int i=1; i<=n; i++){
cin>>a[i];
cnt[a[i]] ++;
}
vector<pii> g;
for(int i=1; i<=m; i++){
g.pb({cnt[i], i});
}
sort(g.begin(), g.end(), greater<pii>());
for(int i=1; i+1<=n; i+=2){
int l=a[i], r=a[i + 1];
dp[1][h(l, r)] ++;
dp[1][h(r, l)] ++;
d[l].pb(r);
d[r].pb(l);
}
for(int i=2; i+1<=n; i+=2){
int l=a[i], r=a[i + 1];
dp[0][h(l, r)] ++;
dp[0][h(r, l)] ++;
d[l].pb(r);
d[r].pb(l);
}
ll dd = 0;
for(int i=1; i<=m; i++) dd += d[i].size();
if(dd > 2e6) return;
if(g.size() == 0 or g.size() > 1e6) return;
if(dp[0].size() + dp[1].size() > 2e6) return;
for(int i=1; i<=m; i++){
d[i].pb(i);
sort(d[i].begin(), d[i].end(), cmp);
}
for(int i=1; i<=m; i++){
int ans = n - cnt[i];
int ls = 0;
for(int j: d[i]){
while(ls < g.size() and g[ls].ss == j) ls++;
if(j == i) continue;
for(int k=0; k<2; k++){
ans = min(ans, n-cnt[i]-cnt[j]+dp[k][h(i, j)]);
}
}
if(ls < g.size()) ans = min(ans, n-cnt[i]-g[ls].ff);
cout<<ans<<'\n';
}
}
signed main(){
ios_base::sync_with_stdio(NULL), cin.tie(NULL), cout.tie(NULL);
solve();
}
Compilation message
rope.cpp: In function 'void solve()':
rope.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | while(ls < g.size() and g[ls].ss == j) ls++;
| ~~~^~~~~~~~~~
rope.cpp:70:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
70 | if(ls < g.size()) ans = min(ans, n-cnt[i]-g[ls].ff);
| ~~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
27224 KB |
Output is correct |
2 |
Correct |
4 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27260 KB |
Output is correct |
4 |
Correct |
4 ms |
27224 KB |
Output is correct |
5 |
Correct |
4 ms |
27228 KB |
Output is correct |
6 |
Correct |
4 ms |
27224 KB |
Output is correct |
7 |
Correct |
7 ms |
27480 KB |
Output is correct |
8 |
Correct |
4 ms |
27228 KB |
Output is correct |
9 |
Correct |
4 ms |
27228 KB |
Output is correct |
10 |
Correct |
5 ms |
27228 KB |
Output is correct |
11 |
Correct |
4 ms |
27228 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
5 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27224 KB |
Output is correct |
16 |
Correct |
4 ms |
27228 KB |
Output is correct |
17 |
Correct |
4 ms |
27228 KB |
Output is correct |
18 |
Correct |
6 ms |
27228 KB |
Output is correct |
19 |
Correct |
6 ms |
27228 KB |
Output is correct |
20 |
Correct |
5 ms |
27228 KB |
Output is correct |
21 |
Correct |
6 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
5 ms |
27228 KB |
Output is correct |
24 |
Correct |
4 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27224 KB |
Output is correct |
26 |
Correct |
5 ms |
27236 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
27224 KB |
Output is correct |
2 |
Correct |
4 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27260 KB |
Output is correct |
4 |
Correct |
4 ms |
27224 KB |
Output is correct |
5 |
Correct |
4 ms |
27228 KB |
Output is correct |
6 |
Correct |
4 ms |
27224 KB |
Output is correct |
7 |
Correct |
7 ms |
27480 KB |
Output is correct |
8 |
Correct |
4 ms |
27228 KB |
Output is correct |
9 |
Correct |
4 ms |
27228 KB |
Output is correct |
10 |
Correct |
5 ms |
27228 KB |
Output is correct |
11 |
Correct |
4 ms |
27228 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
5 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27224 KB |
Output is correct |
16 |
Correct |
4 ms |
27228 KB |
Output is correct |
17 |
Correct |
4 ms |
27228 KB |
Output is correct |
18 |
Correct |
6 ms |
27228 KB |
Output is correct |
19 |
Correct |
6 ms |
27228 KB |
Output is correct |
20 |
Correct |
5 ms |
27228 KB |
Output is correct |
21 |
Correct |
6 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
5 ms |
27228 KB |
Output is correct |
24 |
Correct |
4 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27224 KB |
Output is correct |
26 |
Correct |
5 ms |
27236 KB |
Output is correct |
27 |
Correct |
30 ms |
28592 KB |
Output is correct |
28 |
Correct |
23 ms |
28272 KB |
Output is correct |
29 |
Correct |
25 ms |
28428 KB |
Output is correct |
30 |
Correct |
23 ms |
28364 KB |
Output is correct |
31 |
Correct |
26 ms |
28508 KB |
Output is correct |
32 |
Correct |
22 ms |
28184 KB |
Output is correct |
33 |
Correct |
26 ms |
28252 KB |
Output is correct |
34 |
Correct |
25 ms |
28376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
27224 KB |
Output is correct |
2 |
Correct |
4 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27260 KB |
Output is correct |
4 |
Correct |
4 ms |
27224 KB |
Output is correct |
5 |
Correct |
4 ms |
27228 KB |
Output is correct |
6 |
Correct |
4 ms |
27224 KB |
Output is correct |
7 |
Correct |
7 ms |
27480 KB |
Output is correct |
8 |
Correct |
4 ms |
27228 KB |
Output is correct |
9 |
Correct |
4 ms |
27228 KB |
Output is correct |
10 |
Correct |
5 ms |
27228 KB |
Output is correct |
11 |
Correct |
4 ms |
27228 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
5 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27224 KB |
Output is correct |
16 |
Correct |
4 ms |
27228 KB |
Output is correct |
17 |
Correct |
4 ms |
27228 KB |
Output is correct |
18 |
Correct |
6 ms |
27228 KB |
Output is correct |
19 |
Correct |
6 ms |
27228 KB |
Output is correct |
20 |
Correct |
5 ms |
27228 KB |
Output is correct |
21 |
Correct |
6 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
5 ms |
27228 KB |
Output is correct |
24 |
Correct |
4 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27224 KB |
Output is correct |
26 |
Correct |
5 ms |
27236 KB |
Output is correct |
27 |
Correct |
30 ms |
28592 KB |
Output is correct |
28 |
Correct |
23 ms |
28272 KB |
Output is correct |
29 |
Correct |
25 ms |
28428 KB |
Output is correct |
30 |
Correct |
23 ms |
28364 KB |
Output is correct |
31 |
Correct |
26 ms |
28508 KB |
Output is correct |
32 |
Correct |
22 ms |
28184 KB |
Output is correct |
33 |
Correct |
26 ms |
28252 KB |
Output is correct |
34 |
Correct |
25 ms |
28376 KB |
Output is correct |
35 |
Correct |
128 ms |
45392 KB |
Output is correct |
36 |
Correct |
124 ms |
45392 KB |
Output is correct |
37 |
Correct |
124 ms |
44936 KB |
Output is correct |
38 |
Correct |
126 ms |
45188 KB |
Output is correct |
39 |
Correct |
126 ms |
45440 KB |
Output is correct |
40 |
Correct |
72 ms |
37204 KB |
Output is correct |
41 |
Correct |
72 ms |
36948 KB |
Output is correct |
42 |
Correct |
74 ms |
34644 KB |
Output is correct |
43 |
Correct |
72 ms |
33656 KB |
Output is correct |
44 |
Correct |
76 ms |
37460 KB |
Output is correct |
45 |
Correct |
72 ms |
37200 KB |
Output is correct |
46 |
Correct |
61 ms |
34896 KB |
Output is correct |
47 |
Correct |
61 ms |
33764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
27224 KB |
Output is correct |
2 |
Correct |
4 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27260 KB |
Output is correct |
4 |
Correct |
4 ms |
27224 KB |
Output is correct |
5 |
Correct |
4 ms |
27228 KB |
Output is correct |
6 |
Correct |
4 ms |
27224 KB |
Output is correct |
7 |
Correct |
7 ms |
27480 KB |
Output is correct |
8 |
Correct |
4 ms |
27228 KB |
Output is correct |
9 |
Correct |
4 ms |
27228 KB |
Output is correct |
10 |
Correct |
5 ms |
27228 KB |
Output is correct |
11 |
Correct |
4 ms |
27228 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
5 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27224 KB |
Output is correct |
16 |
Correct |
4 ms |
27228 KB |
Output is correct |
17 |
Correct |
4 ms |
27228 KB |
Output is correct |
18 |
Correct |
6 ms |
27228 KB |
Output is correct |
19 |
Correct |
6 ms |
27228 KB |
Output is correct |
20 |
Correct |
5 ms |
27228 KB |
Output is correct |
21 |
Correct |
6 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
5 ms |
27228 KB |
Output is correct |
24 |
Correct |
4 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27224 KB |
Output is correct |
26 |
Correct |
5 ms |
27236 KB |
Output is correct |
27 |
Correct |
30 ms |
28592 KB |
Output is correct |
28 |
Correct |
23 ms |
28272 KB |
Output is correct |
29 |
Correct |
25 ms |
28428 KB |
Output is correct |
30 |
Correct |
23 ms |
28364 KB |
Output is correct |
31 |
Correct |
26 ms |
28508 KB |
Output is correct |
32 |
Correct |
22 ms |
28184 KB |
Output is correct |
33 |
Correct |
26 ms |
28252 KB |
Output is correct |
34 |
Correct |
25 ms |
28376 KB |
Output is correct |
35 |
Correct |
128 ms |
45392 KB |
Output is correct |
36 |
Correct |
124 ms |
45392 KB |
Output is correct |
37 |
Correct |
124 ms |
44936 KB |
Output is correct |
38 |
Correct |
126 ms |
45188 KB |
Output is correct |
39 |
Correct |
126 ms |
45440 KB |
Output is correct |
40 |
Correct |
72 ms |
37204 KB |
Output is correct |
41 |
Correct |
72 ms |
36948 KB |
Output is correct |
42 |
Correct |
74 ms |
34644 KB |
Output is correct |
43 |
Correct |
72 ms |
33656 KB |
Output is correct |
44 |
Correct |
76 ms |
37460 KB |
Output is correct |
45 |
Correct |
72 ms |
37200 KB |
Output is correct |
46 |
Correct |
61 ms |
34896 KB |
Output is correct |
47 |
Correct |
61 ms |
33764 KB |
Output is correct |
48 |
Runtime error |
1989 ms |
262144 KB |
Execution killed with signal 9 |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
27224 KB |
Output is correct |
2 |
Correct |
4 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27260 KB |
Output is correct |
4 |
Correct |
4 ms |
27224 KB |
Output is correct |
5 |
Correct |
4 ms |
27228 KB |
Output is correct |
6 |
Correct |
4 ms |
27224 KB |
Output is correct |
7 |
Correct |
7 ms |
27480 KB |
Output is correct |
8 |
Correct |
4 ms |
27228 KB |
Output is correct |
9 |
Correct |
4 ms |
27228 KB |
Output is correct |
10 |
Correct |
5 ms |
27228 KB |
Output is correct |
11 |
Correct |
4 ms |
27228 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
5 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27224 KB |
Output is correct |
16 |
Correct |
4 ms |
27228 KB |
Output is correct |
17 |
Correct |
4 ms |
27228 KB |
Output is correct |
18 |
Correct |
6 ms |
27228 KB |
Output is correct |
19 |
Correct |
6 ms |
27228 KB |
Output is correct |
20 |
Correct |
5 ms |
27228 KB |
Output is correct |
21 |
Correct |
6 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
5 ms |
27228 KB |
Output is correct |
24 |
Correct |
4 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27224 KB |
Output is correct |
26 |
Correct |
5 ms |
27236 KB |
Output is correct |
27 |
Correct |
30 ms |
28592 KB |
Output is correct |
28 |
Correct |
23 ms |
28272 KB |
Output is correct |
29 |
Correct |
25 ms |
28428 KB |
Output is correct |
30 |
Correct |
23 ms |
28364 KB |
Output is correct |
31 |
Correct |
26 ms |
28508 KB |
Output is correct |
32 |
Correct |
22 ms |
28184 KB |
Output is correct |
33 |
Correct |
26 ms |
28252 KB |
Output is correct |
34 |
Correct |
25 ms |
28376 KB |
Output is correct |
35 |
Correct |
128 ms |
45392 KB |
Output is correct |
36 |
Correct |
124 ms |
45392 KB |
Output is correct |
37 |
Correct |
124 ms |
44936 KB |
Output is correct |
38 |
Correct |
126 ms |
45188 KB |
Output is correct |
39 |
Correct |
126 ms |
45440 KB |
Output is correct |
40 |
Correct |
72 ms |
37204 KB |
Output is correct |
41 |
Correct |
72 ms |
36948 KB |
Output is correct |
42 |
Correct |
74 ms |
34644 KB |
Output is correct |
43 |
Correct |
72 ms |
33656 KB |
Output is correct |
44 |
Correct |
76 ms |
37460 KB |
Output is correct |
45 |
Correct |
72 ms |
37200 KB |
Output is correct |
46 |
Correct |
61 ms |
34896 KB |
Output is correct |
47 |
Correct |
61 ms |
33764 KB |
Output is correct |
48 |
Runtime error |
1989 ms |
262144 KB |
Execution killed with signal 9 |
49 |
Halted |
0 ms |
0 KB |
- |