Submission #148011

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
148011	2019-08-31 11:10:07	arnold518	문명 (KOI17_civilization)	C++14	54 / 100	1081 ms	36600 KiB

civilization

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2000;
const int MAXK = 1e5;
const int dy[]={-1, 1, 0, 0};
const int dx[]={0, 0, -1, 1};
int N, K, A[MAXN+10][MAXN+10];
int conv(int y, int x) { return (y-1)*N+(x-1); }
int par[MAXN*MAXN+10], col[MAXN*MAXN+10], cnt=0, ans;
int Find(int x) { return x==par[x]?x:par[x]=Find(par[x]); }
void Union(int x, int y)
{
    x=Find(x); y=Find(y);
    par[x]=y;
}
void dfs(int y, int x)
{
    int i, j;
    A[y][x]=1;
    for(i=0; i<4; i++)
 
 
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Compilation message (stderr)

civilization.cpp: In function 'void dfs(int, int)':
civilization.cpp:28:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
civilization.cpp: In function 'int main()':
civilization.cpp:45:15: warning: unused variable 'k' [-Wunused-variable]
     int i, j, k;
               ^
civilization.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &K);
     ~~~~~^~~~~~~~~~~~~~~~
civilization.cpp:52:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &y, &x);
         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 0 / 46