제출 #743938

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
743938	2023-05-18 06:24:04	ThMinh_	가로등 (APIO19_street_lamps)	C++14	100 / 100	2119 ms	93040 KiB

street_lamps

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#include<bits/stdc++.h>
#define forin(i,a,b) for(int i=a;i<=b;++i)
#define fi first
#define la second
using namespace std;
const int N = 3e5 + 10;
int n, q;
vector<int> bit[N], tr[N];
bool a[N];
set<pair<int, int>> st;
struct query {
    string s;
    int i, a, b;
};
query d[N];
void fakeup(int f, int l) {
    while(f <= n + 1) {
        bit[f].push_back(l);
        f += f & -f;
    }
}
void fakeget(int f, int l) {
    while(f) {
        bit[f].push_back(l);
        f -= f & -f;
    }
}
void up(int f, int l, int val) {
    while(f <= n + 1) {
        int y = lower_bound(bit[f].begin(), bit[f].end(), l) - bit[f].begin() + 1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

street_lamps.cpp: In function 'int get(int, int)':
street_lamps.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         while(y <= bit[f].size()) {
      |               ~~^~~~~~~~~~~~~~~~
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen("Task.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
street_lamps.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen("WA.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

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