제출 #170175

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
170175	2019-12-24 07:04:28	arnold518	가로등 (APIO19_street_lamps)	C++14	100 / 100	4388 ms	427588 KiB

street_lamps

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 3e5;
int N, Q, A[MAXN+10];
set<int> S, E;
pii range(int x) { return pii(*(--S.upper_bound(x)), *E.lower_bound(x)); }
pll operator + (const pll &p, const pll &q) { return pll(p.first+q.first, p.second+q.second); }
struct Node1
{
    int pos; pll val;
    Node1 *lc, *rc;
    Node1() : pos(-1), lc(NULL), rc(NULL) {}
};
Node1 *tree[MAXN+10];
void update1(Node1 *node, int tl, int tr, int x, pll val)
{
    if(tl==tr) { node->val=node->val+val; return; }
    int mid=tl+tr>>1;
    if(node->pos!=-1)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

street_lamps.cpp: In function 'void update1(Node1*, int, int, int, pll)':
street_lamps.cpp:29:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=tl+tr>>1;
             ~~^~~
street_lamps.cpp: In function 'pll query1(Node1*, int, int, int, int)':
street_lamps.cpp:74:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=tl+tr>>1;
             ~~^~~
street_lamps.cpp: In function 'void update2(int, int, pll)':
street_lamps.cpp:88:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j; y=N-y+1;
            ^
street_lamps.cpp: In function 'pll query2(int, int)':
street_lamps.cpp:94:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:102:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
street_lamps.cpp:104:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &Q);
     ~~~~~^~~~~~~~~~~~~~~~
street_lamps.cpp:105:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%1d", &A[i]);
                         ~~~~~^~~~~~~~~~~~~~
street_lamps.cpp:119:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", st);
         ~~~~~^~~~~~~~~~
street_lamps.cpp:122:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &a);
             ~~~~~^~~~~~~~~~
street_lamps.cpp:188:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d", &a, &b); b--;
             ~~~~~^~~~~~~~~~~~~~~~

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