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Submission #869726

# Submission time Handle Problem Language Result Execution time Memory
869726 2023-11-05T12:32:06 Z luanmenglei Fireworks (APIO16_fireworks) C++17
100 / 100
 236 ms 24916 KB 
#include <bits/stdc++.h>
using namespace std;
bool stB;
namespace SOL {

void debug(const char *msg, ...) {
#ifdef CLESIP
    va_list arg;
    static char pbString[512];
    va_start(arg,msg);
    vsprintf(pbString,msg,arg);
    cerr << "[DEBUG] " << pbString << "\n";
    va_end(arg);
#endif    
}

#define PASSED cerr << "PASSED " << __FUNCTION__ << " #" << __LINE__ << "\n";

using i64 = long long;
using i128 = __int128_t;
template <typename T, typename L> void chkmax(T &x, L y) { if (x < y) x = y; }
template <typename T, typename L> void chkmin(T &x, L y) { if (y < x) x = y; }

const int N = 6e5 + 10;
int n, m, lc[N], rc[N], rt[N], dis[N], a[N], fa[N], cnt, deg[N];
i64 val[N];

int merge(int x, int y) {
	if (!x || !y)
		return x | y;
	if (val[x] < val[y])
		swap(x, y);
	rc[x] = merge(rc[x], y);
	if (dis[lc[x]] < dis[rc[x]])
		swap(lc[x], rc[x]);
	dis[x] = rc[x] ? dis[rc[x]] + 1 : 0;
	return x;
}

void pop(int x) {
	rt[x] = merge(lc[rt[x]], rc[rt[x]]); 
}

void ___solve() {
	cin >> n >> m;
	for (int i = 2; i <= n + m; i ++)
		cin >> fa[i] >> a[i], ++ deg[fa[i]];
	for (int i = n + m; i > 1; i --) {
		i64 l = 0, r = 0;
		if (i <= n) {
			for (int j = 1; j < deg[i]; j ++)
				pop(i);
			r = val[rt[i]];
			pop(i);
			l = val[rt[i]];
			pop(i);
		}
		l += a[i], r += a[i];
		val[++ cnt] = l, val[++ cnt] = r;
		rt[fa[i]] = merge(rt[fa[i]], merge(rt[i], merge(cnt - 1, cnt)));
	}
	for (int j = 1; j <= deg[1]; j ++)
		pop(1);
	i64 ans = 0;
	for (int i = 2; i <= n + m; i ++)
		ans += a[i];
	while (rt[1] > 0) {
		ans -= val[rt[1]], pop(1);
	}
	cout << ans << "\n";
}

}
bool edB;
signed main() {
	// cerr << "Memory: " << (&stB - &edB) / 1024.0 / 1024.0 << "MB\n";
	ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	SOL::___solve();
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6620 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6504 KB Output is correct
6 Correct 1 ms 6504 KB Output is correct
7 Correct 1 ms 6620 KB Output is correct
8 Correct 1 ms 6504 KB Output is correct
9 Correct 1 ms 6500 KB Output is correct
10 Correct 1 ms 6500 KB Output is correct
11 Correct 1 ms 6504 KB Output is correct
12 Correct 1 ms 6504 KB Output is correct
13 Correct 1 ms 6504 KB Output is correct
14 Correct 1 ms 6504 KB Output is correct
15 Correct 1 ms 6504 KB Output is correct
16 Correct 1 ms 6504 KB Output is correct
17 Correct 1 ms 6496 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6620 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6504 KB Output is correct
16 Correct 1 ms 6504 KB Output is correct
17 Correct 1 ms 6620 KB Output is correct
18 Correct 1 ms 6504 KB Output is correct
19 Correct 1 ms 6500 KB Output is correct
20 Correct 1 ms 6500 KB Output is correct
21 Correct 1 ms 6504 KB Output is correct
22 Correct 1 ms 6504 KB Output is correct
23 Correct 1 ms 6504 KB Output is correct
24 Correct 1 ms 6504 KB Output is correct
25 Correct 1 ms 6504 KB Output is correct
26 Correct 1 ms 6504 KB Output is correct
27 Correct 1 ms 6496 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6496 KB Output is correct
31 Correct 1 ms 6632 KB Output is correct
32 Correct 1 ms 6756 KB Output is correct
33 Correct 1 ms 6756 KB Output is correct
34 Correct 2 ms 6756 KB Output is correct
35 Correct 2 ms 6748 KB Output is correct
36 Correct 2 ms 6684 KB Output is correct
37 Correct 2 ms 6756 KB Output is correct
38 Correct 3 ms 6756 KB Output is correct
39 Correct 2 ms 6756 KB Output is correct
40 Correct 2 ms 6756 KB Output is correct
41 Correct 2 ms 6744 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 2 ms 6748 KB Output is correct
45 Correct 2 ms 6748 KB Output is correct
46 Correct 3 ms 6692 KB Output is correct
47 Correct 3 ms 6748 KB Output is correct
48 Correct 3 ms 6748 KB Output is correct
49 Correct 3 ms 6748 KB Output is correct
50 Correct 3 ms 6880 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 3 ms 6748 KB Output is correct
53 Correct 3 ms 7004 KB Output is correct
54 Correct 3 ms 6744 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6620 KB Output is correct
9 Correct 1 ms 6488 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6504 KB Output is correct
16 Correct 1 ms 6504 KB Output is correct
17 Correct 1 ms 6620 KB Output is correct
18 Correct 1 ms 6504 KB Output is correct
19 Correct 1 ms 6500 KB Output is correct
20 Correct 1 ms 6500 KB Output is correct
21 Correct 1 ms 6504 KB Output is correct
22 Correct 1 ms 6504 KB Output is correct
23 Correct 1 ms 6504 KB Output is correct
24 Correct 1 ms 6504 KB Output is correct
25 Correct 1 ms 6504 KB Output is correct
26 Correct 1 ms 6504 KB Output is correct
27 Correct 1 ms 6496 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6496 KB Output is correct
31 Correct 1 ms 6632 KB Output is correct
32 Correct 1 ms 6756 KB Output is correct
33 Correct 1 ms 6756 KB Output is correct
34 Correct 2 ms 6756 KB Output is correct
35 Correct 2 ms 6748 KB Output is correct
36 Correct 2 ms 6684 KB Output is correct
37 Correct 2 ms 6756 KB Output is correct
38 Correct 3 ms 6756 KB Output is correct
39 Correct 2 ms 6756 KB Output is correct
40 Correct 2 ms 6756 KB Output is correct
41 Correct 2 ms 6744 KB Output is correct
42 Correct 2 ms 6748 KB Output is correct
43 Correct 2 ms 6748 KB Output is correct
44 Correct 2 ms 6748 KB Output is correct
45 Correct 2 ms 6748 KB Output is correct
46 Correct 3 ms 6692 KB Output is correct
47 Correct 3 ms 6748 KB Output is correct
48 Correct 3 ms 6748 KB Output is correct
49 Correct 3 ms 6748 KB Output is correct
50 Correct 3 ms 6880 KB Output is correct
51 Correct 3 ms 6748 KB Output is correct
52 Correct 3 ms 6748 KB Output is correct
53 Correct 3 ms 7004 KB Output is correct
54 Correct 3 ms 6744 KB Output is correct
55 Correct 4 ms 9308 KB Output is correct
56 Correct 14 ms 10736 KB Output is correct
57 Correct 24 ms 12124 KB Output is correct
58 Correct 31 ms 13264 KB Output is correct
59 Correct 41 ms 16624 KB Output is correct
60 Correct 57 ms 18260 KB Output is correct
61 Correct 60 ms 19260 KB Output is correct
62 Correct 65 ms 20204 KB Output is correct
63 Correct 77 ms 21824 KB Output is correct
64 Correct 85 ms 23892 KB Output is correct
65 Correct 47 ms 22872 KB Output is correct
66 Correct 52 ms 22868 KB Output is correct
67 Correct 48 ms 24916 KB Output is correct
68 Correct 89 ms 24400 KB Output is correct
69 Correct 104 ms 24316 KB Output is correct
70 Correct 92 ms 24524 KB Output is correct
71 Correct 157 ms 23572 KB Output is correct
72 Correct 152 ms 23492 KB Output is correct
73 Correct 161 ms 23120 KB Output is correct
74 Correct 163 ms 23120 KB Output is correct
75 Correct 181 ms 22868 KB Output is correct
76 Correct 168 ms 23072 KB Output is correct
77 Correct 196 ms 23540 KB Output is correct
78 Correct 199 ms 22864 KB Output is correct
79 Correct 236 ms 22728 KB Output is correct