제출 #140684

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
140684	2019-08-04 12:43:49	khrbuddy03	문명 (KOI17_civilization)	C++14	54 / 100	1031 ms	54084 KiB

civilization

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#include <bits/stdc++.h>
using namespace std;
const int inf = 2e3 + 9;
const int dx[4] = {-1, 1, 0, 0};
const int dy[4] = {0, 0, -1, 1};
struct ds {
    int par[inf * inf], siz[inf * inf];
    inline int find(int u) {
        if (u == par[u]) return u;
        return par[u] = find(par[u]);
    }
    inline void merge(int u, int v) {
        u = find(u); v = find(v);
        if (u == v) return;
        par[u] = v;
        siz[v] += siz[u];
        siz[u] = 0;
    }
} cul;
int n, m;
int vis[inf][inf];
int main() {
    scanf("%d%d", &n, &m);
    for (int i = 0; i < n * n; ++i) cul.par[i] = i;
    memset(vis, -1, sizeof(vis));
 
 
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컴파일 시 표준 에러 (stderr) 메시지

civilization.cpp: In function 'int main()':
civilization.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
civilization.cpp:33:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int x, y; scanf("%d%d", &x, &y);
                   ~~~~~^~~~~~~~~~~~~~~~

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