Submission #148042

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1480422019-08-31 12:11:05arnold518문명 (KOI17_civilization)C++14
54 / 100
1079 ms52444 KiB
#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], Rank[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);
if(Rank[x]<Rank[y]) swap(x, y);
if(Rank[x]==Rank[y]) Rank[x]++;
par[y]=x;
}
struct Queue { int y, x; };
queue<Queue> Q;
 
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Compilation message (stderr)

civilization.cpp: In function 'int main()':
civilization.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &K);
     ~~~~~^~~~~~~~~~~~~~~~
civilization.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &y, &x);
         ~~~~~^~~~~~~~~~~~~~~~
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