제출 #875922

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
875922	2023-11-20 18:44:43	vjudge1	Two Dishes (JOI19_dishes)	C++17	74 / 100	4400 ms	309956 KiB

dishes

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// https://oj.uz/problem/view/JOI19_dishes
#include <bits/stdc++.h>
using namespace std;
const int64_t inf = 1e18;
class segtree_t {
       public:
        segtree_t *left, *right;
        int l, r, m;
        int64_t val, lazy_add, lazy_max;
        segtree_t(int l, int r) : l(l), r(r), m(l + r >> 1), val(0), lazy_add(0), lazy_max(-inf) {
                if (l == r) return;
                left = new segtree_t(l, m);
                right = new segtree_t(m + 1, r);
        }
        void update_add(int s, int t, int64_t x) {
                if (l > t || r < s) return;
                if (s <= l && r <= t) {
                        val += x;
                        lazy_add += x;
                        lazy_max += x;
                        return;
                }
                Down();
                left->update_add(s, t, x);
                right->update_add(s, t, x);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dishes.cpp: In constructor 'segtree_t::segtree_t(int, int)':
dishes.cpp:14:51: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   14 |         segtree_t(int l, int r) : l(l), r(r), m(l + r >> 1), val(0), lazy_add(0), lazy_max(-inf) {
      |                                                 ~~^~~
dishes.cpp: In function 'int32_t main()':
dishes.cpp:105:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  105 |                 for (int j = 0; j + 1 < upd[i].size(); j++) {
      |                                 ~~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 3 / 3
• Subtask 3: 7 / 7
• Subtask 4: 39 / 39
• Subtask 5: 11 / 11
• Subtask 6: 9 / 9
• Subtask 7: 0 / 17
• Subtask 8: 0 / 9