제출 #105189

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
105189	2019-04-10 23:20:30	silxikys	Xylophone (JOI18_xylophone)	C++14	100 / 100	352 ms	652 KiB

xylophone

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 "xylophone.h"
using namespace std;
#include <bits/stdc++.h>
static int A[5005];
int n;
int d2[5005], d3[5005];
void pr(const vector<int>& a) {
    cout << "VEC:\n";
    for (int i: a) cout << i << ' ';
    cout << '\n';
}
bool check(const vector<int>& v) {
    //pr(v);
    for (int i = 0; i < n; i++) if (v[i] <= 0 || v[i] > n) return false;
    for (int i = 0; i < n - 1; i++) {
        if (abs(v[i+1]-v[i]) != d2[i+1]) return false;
    }
    for (int i = 0; i < n - 2; i++) {
        int d = max(abs(v[i+2]-v[i+1]),max(abs(v[i+1]-v[i]),abs(v[i+2]-v[i])));
        if (d != d3[i+1]) return false;
    }
    //sanity checks
    int pos1 = -1, posn = -1;
    for (int i = 0; i < n; i++) {
        if (v[i] == 1) pos1 = i;
        else if (v[i] == n) posn = i;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

xylophone.cpp: In function 'bool tr(int)':
xylophone.cpp:56:22: warning: unused variable 'aa' [-Wunused-variable]
         vector<int>& aa = a;
                      ^~
xylophone.cpp:57:22: warning: unused variable 'bb' [-Wunused-variable]
         vector<int>& bb = b;
                      ^~
xylophone.cpp: At global scope:
xylophone.cpp:5:12: warning: 'A' defined but not used [-Wunused-variable]
 static int A[5005];
            ^

• Subtask 1: 11 / 11
• Subtask 2: 36 / 36
• Subtask 3: 53 / 53