제출 #594477

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
594477	2022-07-12 13:45:08	qwerasdfzxcl	Unique Cities (JOI19_ho_t5)	C++14	100 / 100	490 ms	46580 KiB

joi2019_ho_t5

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
vector<int> adj[200200], st;
int n, m, c[200200], d[200200], h[200200], ans[200200], cnt[200200], dist[200200], cur;
void dfs0(int s, int pa = -1){
    if (pa!=-1) d[s] = d[pa] + 1;
    else d[s] = 1;
    h[s] = 1;
    for (auto &v:adj[s]) if (v!=pa){
        dfs0(v, s);
        h[s] = max(h[s], h[v]+1);
    }
}
void _insert(int s){
    if (st.empty() || st.back()!=s){
        st.push_back(s);
        if (!cnt[c[s]]) cur++;
        cnt[c[s]]++;
    }
}
void _pop(int s, int x){
    while(!st.empty() && d[s] - d[st.back()] <= x){
        --cnt[c[st.back()]];
        if (!cnt[c[st.back()]]) cur--;
        st.pop_back();
 
 
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컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t5.cpp: In function 'int main()':
joi2019_ho_t5.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t5.cpp:72:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t5.cpp:77:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     for (int i=1;i<=n;i++) scanf("%d", c+i);
      |                            ~~~~~^~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 32 / 32
• Subtask 3: 32 / 32
• Subtask 4: 32 / 32