oj.uz

Submission #943210

# Submission time Handle Problem Language Result Execution time Memory
943210 2024-03-11T09:19:51 Z Lilypad Pilot (NOI19_pilot) C++14
100 / 100
 451 ms 60500 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll int
#define pii pair<ll,ll>
#define pb push_back
#define fi first
#define se second

const ll N = 1e6+5;

ll n,q,tmp;
long long ans,ansq[N],sz[N];
ll par[N],a[N];
pii b[N],x[N];

ll root(ll x) {
	if(par[x] == x) return x;
	return par[x] = root(par[x]);
}

void join(ll y, ll z) {
	ll ry = root(y);
	ll rz = root(z);
	if(ry == rz) return;
	par[ry] = rz;
	ans -= (sz[rz] + sz[ry]);
	ans -= (sz[rz]*(sz[rz]-1))/2;
	ans -= (sz[ry]*(sz[ry]-1))/2;
	sz[rz] += sz[ry];
	ans += (sz[rz]*(sz[rz]-1))/2 + sz[rz];
}

int main() {
//	ios_base::sync_with_stdio(0);
//	cin.tie(0);
	scanf("%d %d", &n, &q);
	for(int i=1; i<=n; i++) {
		scanf("%d", &a[i]);
		b[i].fi = a[i]; b[i].se = i;
		par[i] = i;
	}
	sort(b+1,b+n+1);
	for(int i=1; i<=q; i++) {
		scanf("%d", &x[i].fi);
		x[i].se = i;
	}
	sort(x+1,x+q+1);
	ll idx = 1;
	for(int i=1; i<=q; i++) {
		while(idx <= n && b[idx].fi <= x[i].fi) {
			ll var = b[idx].se;
			sz[var] = 1;
			ans++;
			if(var > 1 && sz[var-1] > 0) join(var-1,var);
			if(var < n && sz[var+1] > 0) join(var+1,var);
			idx++;
		}
		ansq[x[i].se] = ans;
	}
	for(int i=1; i<=q; i++) printf("%lld\n", ansq[i]);
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
pilot.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |   scanf("%d", &a[i]);
      |   ~~~~~^~~~~~~~~~~~~
pilot.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |   scanf("%d", &x[i].fi);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 1 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 1 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 2 ms 10676 KB Output is correct
25 Correct 2 ms 10584 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12632 KB Output is correct
2 Correct 17 ms 12636 KB Output is correct
3 Correct 16 ms 12636 KB Output is correct
4 Correct 16 ms 12748 KB Output is correct
5 Correct 16 ms 12632 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 15708 KB Output is correct
2 Correct 32 ms 15964 KB Output is correct
3 Correct 31 ms 15980 KB Output is correct
4 Correct 31 ms 15964 KB Output is correct
5 Correct 31 ms 15940 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 15696 KB Output is correct
2 Correct 32 ms 15696 KB Output is correct
3 Correct 32 ms 15952 KB Output is correct
4 Correct 31 ms 15708 KB Output is correct
5 Correct 33 ms 15956 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 17 ms 12632 KB Output is correct
12 Correct 17 ms 12636 KB Output is correct
13 Correct 16 ms 12636 KB Output is correct
14 Correct 16 ms 12748 KB Output is correct
15 Correct 16 ms 12632 KB Output is correct
16 Correct 15 ms 12632 KB Output is correct
17 Correct 15 ms 12632 KB Output is correct
18 Correct 15 ms 12632 KB Output is correct
19 Correct 16 ms 12636 KB Output is correct
20 Correct 15 ms 12736 KB Output is correct
21 Correct 20 ms 12636 KB Output is correct
22 Correct 15 ms 12636 KB Output is correct
23 Correct 15 ms 12636 KB Output is correct
24 Correct 14 ms 12740 KB Output is correct
25 Correct 16 ms 12636 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 1 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 2 ms 10676 KB Output is correct
25 Correct 2 ms 10584 KB Output is correct
26 Correct 17 ms 12632 KB Output is correct
27 Correct 17 ms 12636 KB Output is correct
28 Correct 16 ms 12636 KB Output is correct
29 Correct 16 ms 12748 KB Output is correct
30 Correct 16 ms 12632 KB Output is correct
31 Correct 30 ms 15708 KB Output is correct
32 Correct 32 ms 15964 KB Output is correct
33 Correct 31 ms 15980 KB Output is correct
34 Correct 31 ms 15964 KB Output is correct
35 Correct 31 ms 15940 KB Output is correct
36 Correct 39 ms 15696 KB Output is correct
37 Correct 32 ms 15696 KB Output is correct
38 Correct 32 ms 15952 KB Output is correct
39 Correct 31 ms 15708 KB Output is correct
40 Correct 33 ms 15956 KB Output is correct
41 Correct 15 ms 12632 KB Output is correct
42 Correct 15 ms 12632 KB Output is correct
43 Correct 15 ms 12632 KB Output is correct
44 Correct 16 ms 12636 KB Output is correct
45 Correct 15 ms 12736 KB Output is correct
46 Correct 20 ms 12636 KB Output is correct
47 Correct 15 ms 12636 KB Output is correct
48 Correct 15 ms 12636 KB Output is correct
49 Correct 14 ms 12740 KB Output is correct
50 Correct 16 ms 12636 KB Output is correct
51 Correct 40 ms 15696 KB Output is correct
52 Correct 39 ms 15440 KB Output is correct
53 Correct 38 ms 15708 KB Output is correct
54 Correct 38 ms 15476 KB Output is correct
55 Correct 40 ms 15728 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 1 ms 10588 KB Output is correct
3 Correct 1 ms 10584 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 8540 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 1 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 1 ms 10588 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 2 ms 10676 KB Output is correct
25 Correct 2 ms 10584 KB Output is correct
26 Correct 17 ms 12632 KB Output is correct
27 Correct 17 ms 12636 KB Output is correct
28 Correct 16 ms 12636 KB Output is correct
29 Correct 16 ms 12748 KB Output is correct
30 Correct 16 ms 12632 KB Output is correct
31 Correct 30 ms 15708 KB Output is correct
32 Correct 32 ms 15964 KB Output is correct
33 Correct 31 ms 15980 KB Output is correct
34 Correct 31 ms 15964 KB Output is correct
35 Correct 31 ms 15940 KB Output is correct
36 Correct 39 ms 15696 KB Output is correct
37 Correct 32 ms 15696 KB Output is correct
38 Correct 32 ms 15952 KB Output is correct
39 Correct 31 ms 15708 KB Output is correct
40 Correct 33 ms 15956 KB Output is correct
41 Correct 15 ms 12632 KB Output is correct
42 Correct 15 ms 12632 KB Output is correct
43 Correct 15 ms 12632 KB Output is correct
44 Correct 16 ms 12636 KB Output is correct
45 Correct 15 ms 12736 KB Output is correct
46 Correct 20 ms 12636 KB Output is correct
47 Correct 15 ms 12636 KB Output is correct
48 Correct 15 ms 12636 KB Output is correct
49 Correct 14 ms 12740 KB Output is correct
50 Correct 16 ms 12636 KB Output is correct
51 Correct 40 ms 15696 KB Output is correct
52 Correct 39 ms 15440 KB Output is correct
53 Correct 38 ms 15708 KB Output is correct
54 Correct 38 ms 15476 KB Output is correct
55 Correct 40 ms 15728 KB Output is correct
56 Correct 440 ms 46964 KB Output is correct
57 Correct 434 ms 59052 KB Output is correct
58 Correct 421 ms 58156 KB Output is correct
59 Correct 420 ms 58332 KB Output is correct
60 Correct 451 ms 60500 KB Output is correct