Submission #145562

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
145562	2019-08-20 11:55:55	surface03	문명 (KOI17_civilization)	C++14	100 / 100	462 ms	63032 KiB

civilization

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
 
const int LM=2005;
const int KLM=(int)1e5+1;
 
int N,K,G[LM][LM],gCnt,group[KLM];
int ans, now;
int fr,re;
int dr[]={1,-1,0,0},dc[]={0,0,1,-1};
struct Civil{
    int r,c,lev;
}que[LM*LM];
void ffill(int r,int c){
    if(G[r][c]>=0)return;
    G[r][c]=gCnt;
    que[re++]={r,c,0};
    for(int k=0;k<4;k++){
        ffill(r+dr[k],c+dc[k]);
    }
}
void input(){
    scanf("%d%d",&N,&K);
    int i,j,r,c;
    for(i=0;i<K;i++){
        scanf("%d%d",&r,&c);
        G[r][c]=-1;
    }
    for(i=1;i<=N;i++)for(j=1;j<=N;j++){
        if(G[i][j]<0){
            gCnt++;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

civilization.cpp: In function 'void input()':
civilization.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&N,&K);
     ~~~~~^~~~~~~~~~~~~~
civilization.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&r,&c);
         ~~~~~^~~~~~~~~~~~~~
civilization.cpp: In function 'int BFS()':
civilization.cpp:67:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 46 / 46