제출 #218081

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
218081	2020-04-01 06:23:43	brainwarego	트리 (KOI16_tree)	C++14	100 / 100	307 ms	16376 KiB

tree

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#include <stdio.h>
#define LM 200010
 
int N, Q, par[LM], group[LM], gn;
int used[LM], gtop[LM] = {1};
struct Node{
    int node;
    Node*next;
}adj[LM], buf[LM*3];
int bCnt;
 
struct Queue{
    Node*now;
    Node* hasNext(){
        while(now->next && used[now->next->node]){
            now->next = now->next->next;
        }
        now = now->next;
        return now;
    }
}xQue[LM], yQue[LM];
int xf, xe, yf, ye;
 
void push_adj(int s, int e){
    buf[bCnt] = {e, adj[s].next};
    adj[s].next = buf + bCnt++;
}
 
void reGroup(int k){
    group[k] = gn;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tree.cpp: In function 'int main()':
tree.cpp:81:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &Q);
     ~~~~~^~~~~~~~~~~~~~~~~
tree.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &b);
         ~~~~~^~~~~~~~~~
tree.cpp:90:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &b, &c, &d);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 14 / 14
• Subtask 4: 19 / 19
• Subtask 5: 45 / 45