Submission #40396

#	Time	Username	Problem	Language	Result	Execution time	Memory
40396		szawinis	Birokracija (COCI18_birokracija)	C++14	100 / 100	182 ms	30432 KiB

birokracija

#include <bits/stdc++.h>
using namespace std;
const int N = 2e5+1;

int n, sz[N];
vector<int> g[N];
long long dp[N];
void dfs(int u) {
	sz[u] = 1;
	for(int v: g[u]) {
		dfs(v);
		dp[u] += dp[v];
		sz[u] += sz[v];
	}
	dp[u] += sz[u];
}
int main() {
	scanf("%d", &n);
	for(int i = 2, p; i <= n; i++) {
		cin >> p;
		g[p].push_back(i);
	}
	dfs(1);
	for(int i = 1; i <= n; i++) printf("%lld ", dp[i]);
}

Compilation message (stderr)

birokracija.cpp: In function 'int main()':
birokracija.cpp:18:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10