제출 #1033204

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1033204		c2zi6	휴가 (IOI14_holiday)	C++14	47 / 100	5047 ms	1968 KiB

holiday

#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "holiday.h"

ll findMaxAttraction(int n, int start, int d, int attraction[]) {
    VI a;
    rep(i, n) a.pb(attraction[i]);
    if (start == 0) {
        ll ans = 0;
        priority_queue<int> pq;
        ll cur = 0;
        rep(i, min(d, n)) {
            pq.push(-a[i]);
            cur += a[i];
            while (pq.size() > d-i) {
                cur += pq.top();
                pq.pop();
            }
            setmax(ans, cur);
        }
        return ans;
    } else {
        ll ans = 0;
        int D = d;
        function<ll(int)> f[2];
        f[0] = [&](int s)->ll {
            int d = D - (start - s);
            priority_queue<int> pq;
            ll curmax = 0;
            ll cur = 0;
            for (int i = 0; i < d && s + i < n; i++) {
                pq.push(-a[s + i]);
                cur += a[s + i];
                while (pq.size() > d-i) {
                    cur += pq.top();
                    pq.pop();
                }
                setmax(ans, cur);
                setmax(curmax, cur);
            }
            return curmax;
        };
        f[1] = [&](int s)->ll {
            int d = D - (s - start);
            priority_queue<int> pq;
            ll cur = 0;
            ll curmax = 0;
            for (int i = 0; i < d && s - i >= 0; i++) {
                pq.push(-a[s - i]);
                cur += a[s - i];
                while (pq.size() > d-i) {
                    cur += pq.top();
                    pq.pop();
                }
                setmax(ans, cur);
                setmax(curmax, cur);
            }
            return curmax;
        };

        reprl(s, start, 0) {
            ll cur = f[0](s);
            setmax(ans, cur);
        }
        /*cout << "---" << endl;*/
        replr(s, start, n-1) {
            ll cur = f[1](s);
            setmax(ans, cur);
        }
        /*cout << "---" << endl;*/
        
        /*rep(fi, 2) {*/
        /*    int l, r;*/
        /*    if (fi == 0) {*/
        /*        l = 0;*/
        /*        r = start;*/
        /*    } else {*/
        /*        l = start;*/
        /*        r = n-1;*/
        /*    }*/
        /*    while (l+1 < r) {*/
        /*        int m = (l+r)/2;*/
        /*        ll al = f[fi](m);*/
        /*        ll ar = f[fi](m+1);*/
        /*        if (al < ar) l = m+1;*/
        /*        else if (al > ar) r = m;*/
        /*        else {*/
        /*            l = m;*/
        /*            r = m+1;*/
        /*            break;*/
        /*        }*/
        /*    }*/
        /*    setmax(ans, f[fi](l));*/
        /*    setmax(ans, f[fi](r));*/
        /*}*/
        /**/
        return ans;
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

holiday.cpp: In function 'll findMaxAttraction(int, int, int, int*)':
holiday.cpp:44:30: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |             while (pq.size() > d-i) {
      |                    ~~~~~~~~~~^~~~~
holiday.cpp: In lambda function:
holiday.cpp:63:34: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   63 |                 while (pq.size() > d-i) {
      |                        ~~~~~~~~~~^~~~~
holiday.cpp: In lambda function:
holiday.cpp:80:34: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   80 |                 while (pq.size() > d-i) {
      |                        ~~~~~~~~~~^~~~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 17 / 17
• Subtask 4: 0 / 53