結果
| 問題 |
No.94 圏外です。(EASY)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2015-06-25 20:00:03 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 1,565 bytes |
| コンパイル時間 | 348 ms |
| コンパイル使用メモリ | 51,476 KB |
| 最終ジャッジ日時 | 2024-11-14 19:05:15 |
| 合計ジャッジ時間 | 739 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:21:3: error: ‘vector’ was not declared in this scope
21 | vector<Point> v(n);
| ^~~~~~
main.cpp:3:1: note: ‘std::vector’ is defined in header ‘<vector>’; did you forget to ‘#include <vector>’?
2 | #include <algorithm>
+++ |+#include <vector>
3 | using namespace std;
main.cpp:21:15: error: expected primary-expression before ‘>’ token
21 | vector<Point> v(n);
| ^
main.cpp:21:17: error: ‘v’ was not declared in this scope
21 | vector<Point> v(n);
| ^
main.cpp:26:17: error: expected primary-expression before ‘int’
26 | vector<vector<int>> cost(n, vector<int>(n, 0)),
| ^~~
main.cpp:29:5: error: ‘route’ was not declared in this scope
29 | route[i][i] = 0;
| ^~~~~
main.cpp:34:7: error: ‘cost’ was not declared in this scope
34 | cost[i][j] = dd;
| ^~~~
main.cpp:37:7: error: ‘route’ was not declared in this scope
37 | route[i][j] = 1;
| ^~~~~
main.cpp:44:9: error: ‘route’ was not declared in this scope
44 | route[i][j] = min(route[i][j], route[i][k] + route[k][j]);
| ^~~~~
main.cpp:51:10: error: ‘route’ was not declared in this scope
51 | if(route[i][j] >= inf) { continue; }
| ^~~~~
main.cpp:52:22: error: ‘cost’ was not declared in this scope
52 | res = max(res, cost[i][j]);
| ^~~~
main.cpp:55:20: error: ‘sqrt’ was not declared in this scope
55 | printf("%lf\n", sqrt(res) + 1 + (n>0));
| ^~~~
main.cpp:20:15: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
20 | int n; scanf("%d", &n);
| ~~~~~^~~~~~~~~~
main.cpp:23:20: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared wit
ソースコード
#include <iostream>
#include <algorithm>
using namespace std;
class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n;
public:range(int n):i({0}),n({n}){}range(int i,int n):i({i}),n({n}){}I& begin(){return i;}I& end(){return n;}};
class Point {
public:
int x, y;
Point(void) {}
Point(int _x, int _y) { x = _x; y = _y; }
bool operator==(const Point& other) const { return x == other.x && y == other.y; }
int distdist(const Point& other) const { return (x - other.x) * (x - other.x) + (y - other.y) * (y - other.y); }
};
const int inf = 987654321;
int main(void) {
int n; scanf("%d", &n);
vector<Point> v(n);
for(int i : range(n)) {
int x, y; scanf("%d%d", &x, &y);
v[i] = Point(x, y);
}
vector<vector<int>> cost(n, vector<int>(n, 0)),
route(n, vector<int>(n, inf));
for(int i : range(n)) {
route[i][i] = 0;
}
for(int i : range(n-1)) {
for(int j : range(i+1, n)) {
int dd = v[i].distdist(v[j]);
cost[i][j] = dd;
cost[j][i] = dd;
if(dd > 10 * 10) { continue; }
route[i][j] = 1;
route[j][i] = 1;
}
}
for(int k : range(n)) {
for(int i : range(n)) {
for(int j : range(n)) {
route[i][j] = min(route[i][j], route[i][k] + route[k][j]);
}
}
}
int res = 0;
for(int i : range(n)) {
for(int j : range(n)) {
if(route[i][j] >= inf) { continue; }
res = max(res, cost[i][j]);
}
}
printf("%lf\n", sqrt(res) + 1 + (n>0));
return 0;
}