제출 #442674

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
442674	2021-07-08 14:37:37	valerikk	Bulldozer (JOI17_bulldozer)	C++17	100 / 100	957 ms	55620 KiB

bulldozer

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int S = 1 << 11;
const int N = S + 7;
struct event {
    ll x, y;
    int i, j;
};
bool operator<(const event &l, const event &r) {
    return l.x * r.y - l.y * r.x < 0;
}
bool operator==(const event &l, const event &r) {
    return l.x * r.y - l.y * r.x == 0;
}
int n;
ll x[N], y[N], w[N];
int ord[N];
ll sum[2 * S];
ll mx[2 * S];
ll pref[2 * S], suff[2 * S];
int where[N];
vector<event> events;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:104:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  104 |     while (i < events.size()) {
      |            ~~^~~~~~~~~~~~~~~
bulldozer.cpp:106:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<event>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  106 |         while (j < events.size() && events[j] == events[i]) j++;
      |                ~~^~~~~~~~~~~~~~~
bulldozer.cpp:112:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |         while (k < arr.size()) {
      |                ~~^~~~~~~~~~~~
bulldozer.cpp:114:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  114 |             while (l + 1 < arr.size() && arr[l + 1] == arr[l] + 1) l++;
      |                    ~~~~~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 20 / 20
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20