제출 #886105

#제출 시각아이디문제언어결과실행 시간메모리
886105qin전선 연결 (IOI17_wiring)C++17
13 / 100
21 ms4700 KiB
#include <bits/stdc++.h> #define fi first #define se second #define ssize(x) int(x.size()) #define pn printf("\n") using namespace std; typedef long long ll; typedef pair<int, int> pii; int inf = 2e09; ll infll = 2e18; int mod = 119<<23|1; ll min_total_length(vector<int> r, vector<int> B){ int n = ssize(r), m = ssize(B); vector<int> a(n+1), b(m+1); for(int i = 1; i <= n; ++i) a[i] = r[i-1]; for(int i = 1; i <= m; ++i) b[i] = B[i-1]; if(n <= 200 && m >= 200){ vector<vector<ll>> dp(n+1, vector<ll>(m+1, infll)); dp[1][1] = abs(a[1]-b[1]); for(int i = 1; i <= n; ++i){ for(int j = 1; j <= m; ++j){ if(i != n) dp[i+1][j] = min(dp[i+1][j], dp[i][j]+abs(a[i+1]-b[j])); if(j != m) dp[i][j+1] = min(dp[i][j+1], dp[i][j]+abs(a[i]-b[j+1])); if(i != n && j != m) dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]+abs(a[i+1]-b[j+1])); } } return dp[n][m]; } else{ if(n > m) swap(n, m), swap(a, b); ll result = 0; for(int i = 1; i <= m; ++i) result += b[i] > a.back() ? b[i]-a.back() : a[1]-b[i]; for(int i = 1; i <= n; ++i) result += b[1] > a[1] ? a.back()-a[i] : a[i]-a[1]; return result; } } #ifdef LOCAL int main(){ int T = 1; for(++T; --T; ){ int n, m; scanf("%d%d", &n, &m); vector<int> a(n), b(m); for(int i = 0; i < n; ++i) scanf("%d", &a[i]); for(int i = 0; i < m; ++i) scanf("%d", &b[i]); printf("%lld\n", min_total_length(a, b)); } return 0; } #endif
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