Submission #152344

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
152344	2019-09-07 16:21:29	arnold518	문명 (KOI17_civilization)	C++14	100 / 100	824 ms	43068 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 INF = 2e9;
const int dy[]={-1, 1, 0, 0};
const int dx[]={0, 0, -1, 1};
int N, K;
int A[MAXN+10][MAXN+10];
bool vis[MAXN+10][MAXN+10];
int par[MAXN*MAXN+10];
int f(int y, int x) { y--; x--; return y*N+x; }
int Find(int x) { return x==par[x]?x:(par[x]=Find(par[x])); }
int main()
{
    int i, j;
    scanf("%d%d", &N, &K);
    for(i=0; i<N*N; i++) par[i]=i;
    for(i=1; i<=N; i++) for(j=1; j<=N; j++) A[i][j]=INF;
    queue<pii> Q;
 
 
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Compilation message (stderr)

civilization.cpp: In function 'int main()':
civilization.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &K);
     ~~~~~^~~~~~~~~~~~~~~~
civilization.cpp:34:14: 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: 46 / 46