Submission #1151934

---

Source Code Expand

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <map>
#include <set>
#include <functional>
#include <cmath>
#include <complex>
#include <cctype>
#include <cassert>
#include <sstream>
#include <ctime>
 
using namespace std;
 
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
 
template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }
 
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<pii, int> P;
 
#define INF (1<<29)
#define INFL (1ll<<60)
#define EPS (1e-8)
#define PI (acos(-1))
const ll MOD = 1000000007ll;

int n;
vector<int> g[112345];
int ans[112345];

int dfs(int pos, int pre) {
	vector<int> v;
	
	REP(i, g[pos].size()) if (g[pos][i] != pre)
		v.push_back(dfs(g[pos][i], pos));
	
	REP(i, v.size()) chmax(ans[pos], v[i]);
	
	int sum = 1;
	REP(i, v.size()) sum += v[i];
	
	chmax(ans[pos], n - sum);
	
	return sum;
}

int main() {
	cin >> n;
	REP(i, n - 1) {
		int p;
		scanf("%d", &p);
		g[i + 1].push_back(p);
		g[p].push_back(i + 1);
	}
	
	dfs(0, -1);
	
	REP(i, n) printf("%d\n", ans[i]);
	
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:61:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &p);
                  ^

Judge Result