이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "holiday.h"
#include <bits/stdc++.h>
using namespace std;
multiset <int> st;
inline long long max (long long a, long long b) {
return a < b ? b : a;
}
long long int findMaxAttraction(int n, int start, int d, int a[]) {
long long ans = 0, sum = 0;
if (start == 0) {
for (int i = 0; i < n; i++) {
if (i >= d) break;
st.insert(a[i]);
sum += a[i];
int k = d - i;
while (st.size() > k) {
sum -= *st.begin();
st.erase(st.begin());
}
ans = max(ans, sum);
}
} else {
for (int x = 0; x <= d; x++) {
long long res1 = 0, res2 = 0;
st.clear();
sum = 0;
int rem = d - x;
for (int i = 0; i < x; i++) {
if (start + i >= n) break;
st.insert( a[start + i] );
sum += a[start + i];
int k = x - i;
while (st.size() > k) {
sum -= *st.begin();
st.erase(st.begin());
}
res1 = max(res1, sum);
}
st.clear();
sum = 0;
for (int i = 1; i * 2 <= rem; i++) {
if (start - i < 0) break;
st.insert( a[start - i] );
sum += a[start - i];
int k = rem - i * 2;
while (st.size() > k) {
sum -= *st.begin();
st.erase(st.begin());
}
res2 = max(res2, sum);
}
ans = max(ans, res1 + res2);
res1 = 0, res2 = 0;
st.clear();
sum = 0;
for (int i = 0; i * 2 <= x; i++) {
if (start + i >= n) break;
st.insert( a[start + i] );
sum += a[start + i];
int k = x - i * 2;
while (st.size() > k) {
sum -= *st.begin();
st.erase(st.begin());
}
res1 = max(res1, sum);
}
st.clear();
sum = 0;
for (int i = 1; i < rem; i++) {
if (start - i < 0) break;
st.insert( a[start - i] );
sum += a[start - i];
int k = rem - i;
while (st.size() > k) {
sum -= *st.begin();
st.erase(st.begin());
}
res2 = max(res2, sum);
}
ans = max(ans, res1 + res2);
}
}
return ans;
}
/**
5 2 7
10 2 20 30 1
**/
컴파일 시 표준 에러 (stderr) 메시지
holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:22:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (st.size() > k) {
~~~~~~~~~~^~~
holiday.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (st.size() > k) {
~~~~~~~~~~^~~
holiday.cpp:60:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (st.size() > k) {
~~~~~~~~~~^~~
holiday.cpp:80:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (st.size() > k) {
~~~~~~~~~~^~~
holiday.cpp:96:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (st.size() > k) {
~~~~~~~~~~^~~
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