제출 #76489

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
76489	2018-09-13 17:07:50	win11905	Fortune Telling 2 (JOI14_fortune_telling2)	C++11	100 / 100	1892 ms	27852 KiB

fortune_telling2

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#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define long long long
#define pii pair<int, int>
#define x first
#define y second
const int N = 2e5+5;
int n, k, t[N];
long ans;
vector<pii> que;
vector<int> coor, z[N];
int A[N], l[N], r[N];
void update(int x) {
    for(int i = x; i; i -= i & -i) t[i]++;
}
int query(int x) {
    int v = 0;
    for(int i = x; i <= coor.size() + 1; i += i & -i) v += t[i];
    return v;
}
int main() {
    scanf("%d %d", &n, &k);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'int query(int)':
fortune_telling2.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = x; i <= coor.size() + 1; i += i & -i) v += t[i];
                    ~~^~~~~~~~~~~~~~~~~~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:46:66: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         for(int i = 0; i < n; ++i) if(l[i] < r[i]) z[l[i] + r[i] + 1 >> 1].emplace_back(i);
                                                      ~~~~~~~~~~~~^~~
fortune_telling2.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", A+i);
         ~~~~~^~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65