제출 #1222264

#제출 시각아이디문제언어결과실행 시간메모리
1222264justAliens (IOI16_aliens)C++20
12 / 100
81 ms1608 KiB
#include "aliens.h" #include "bits/stdc++.h" using namespace std; using ll = long long; #define vec vector int sq(int x) { return x * x; } vec<int> a; int memo[505][505] = {0}; bool done[505][505] = {false}; int calc(int i, int k) { if (i == -1) return 0; if (k == 0) return INT_MAX; if (k == 1) return sq(abs(a[i] - a[0]) + 1); if (done[i][k]) return memo[i][k]; done[i][k] = true; int ans = INT_MAX; for (int j = 0; j <= i; j++) { ans = min(ans, calc(j - 1, k - 1) + sq(abs(a[i] - a[j]) + 1)); } return memo[i][k] = ans; } ll take_photos(int n, int m, int k, vec<int> r, vec<int> c) { for (int i = 0; i < 505; i++) for (int j = 0; j < 505; j++) done[i][j] = false; a.resize(n); for (int i = 0; i < n; i++) a[i] = r[i], assert(r[i] == c[i]); sort(a.begin(), a.end()); return calc(n - 1, k); }

컴파일 시 표준 에러 (stderr) 메시지

aliens.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
aliens_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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