이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "wiring.h"
#include <bits/stdc++.h>
#define int long long
#define pb emplace_back
#define All(x) x.begin(), x.end()
#define pii pair<int,int>
#define ff first
#define ss second
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }
const int INF = 1e18;
vector<pii> build(vector<signed> r, vector<signed> b) {
vector<pii> arr;
for (int i : r) arr.pb(i, 0);
for (int i : b) arr.pb(i, 1);
sort(All(arr));
return arr;
}
int solve(vector<signed> r, vector<signed> b) {
vector<pii> arr = build(r, b);
vector<int> dp(arr.size()+1);
int kL, kR = -1;
int inc;
bool flag = false;
for (int i = 0; i < arr.size(); i++) {
if (flag) {
inc += arr[i].ff;
int dec = (i - kR) * (- arr[kR].ff);
dp[i+1] = dp[kR] + inc + dec;
for (int j = kR-1; j >= kL; j--) {
if (kR - j + 1 > i - kR)
dec += arr[kR+1].ff - arr[kR].ff;
dec += arr[kR].ff - arr[j].ff;
dp[i+1] = min(dp[i+1], dp[j] + inc + dec);
}
} else dp[i+1] = INF;
if (i+1 < arr.size() && arr[i].ss != arr[i+1].ss) {
kL = kR + 1, kR = i;
flag = true;
inc = 0;
}
}
return dp[arr.size()];
}
int min_total_length(vector<signed> r, vector<signed> b) {
int ans = solve(r, b);
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
wiring.cpp: In function 'long long int solve(std::vector<int>, std::vector<int>)':
wiring.cpp:31:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for (int i = 0; i < arr.size(); i++) {
| ~~^~~~~~~~~~~~
wiring.cpp:43:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | if (i+1 < arr.size() && arr[i].ss != arr[i+1].ss) {
| ~~~~^~~~~~~~~~~~
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