답안 #556073

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
556073 2022-05-02T10:19:43 Z urosk Xylophone (JOI18_xylophone) C++14
100 / 100
98 ms 1124 KB
#include "xylophone.h"
#define here cerr<<"===========================================\n"
#include <bits/stdc++.h>
#define ld double
#define ll long long
#define ull unsigned long long
#define llinf 100000000000000000LL // 10^17
#define iinf 2000000000 // 2*10^9
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) int(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
using namespace std;
static int A[5000];
#define maxn 5005
int a[maxn];
map<pii,int> mp;
int get(int l,int r){
    if(mp.count({l,r})) return mp[{l,r}];
    return mp[{l,r}] = query(l,r);
}
bool vis[maxn];
void solve(int N) {

	int n = N;
	a[1] = 0;
    a[2] = get(1,2);
    for(int i = 3;i<=n;i++){
        int x = get(i-1,i);
        int y = get(i-2,i-1);
        int z = get(i-2,i);
        if(x+y==z){
            if(a[i-1]>=a[i-2]) a[i] = a[i-2] + z;
            else a[i] = a[i-2] - z;
        }else if(z==x){
            if(a[i-1]>=a[i-2]) a[i] = a[i-1] - x;
            else a[i] = a[i-1] + x;
        }else{
            if(a[i-1]>=a[i-2]) a[i] = a[i-1] - x;
            else a[i] = a[i-1] + x;
        }
    }
    int mini = llinf;
    for(int i = 1;i<=n;i++){
        mini = min(mini,a[i]);
    }
    int idx1,idxn;
    for(int i = 1;i<=n;i++){
        a[i]-=mini-1;
        if(a[i]==1) idx1 = i;
        if(a[i]==n) idxn = i;
    }
    if(idx1>idxn) for(int i = 1;i<=n;i++) a[i] = n-a[i]+1;
    if(n<=10) ceri(a,1,n);
    for(int i = 1;i<=n;i++) answer(i,a[i]);
}
/*
5
2 1 5 3 4
*/

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:7:15: warning: overflow in conversion from 'long long int' to 'int' changes value from '100000000000000000' to '1569325056' [-Woverflow]
    7 | #define llinf 100000000000000000LL // 10^17
      |               ^~~~~~~~~~~~~~~~~~~~
xylophone.cpp:50:16: note: in expansion of macro 'llinf'
   50 |     int mini = llinf;
      |                ^~~~~
xylophone.cpp: At global scope:
xylophone.cpp:21:12: warning: 'A' defined but not used [-Wunused-variable]
   21 | static int A[5000];
      |            ^
xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:60:5: warning: 'idxn' may be used uninitialized in this function [-Wmaybe-uninitialized]
   60 |     if(idx1>idxn) for(int i = 1;i<=n;i++) a[i] = n-a[i]+1;
      |     ^~
xylophone.cpp:60:5: warning: 'idx1' may be used uninitialized in this function [-Wmaybe-uninitialized]
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 320 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 2 ms 312 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 320 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 320 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 2 ms 312 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 320 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 5 ms 308 KB Output is correct
18 Correct 15 ms 388 KB Output is correct
19 Correct 14 ms 328 KB Output is correct
20 Correct 9 ms 408 KB Output is correct
21 Correct 14 ms 356 KB Output is correct
22 Correct 20 ms 348 KB Output is correct
23 Correct 17 ms 336 KB Output is correct
24 Correct 22 ms 336 KB Output is correct
25 Correct 17 ms 416 KB Output is correct
26 Correct 16 ms 364 KB Output is correct
27 Correct 15 ms 376 KB Output is correct
28 Correct 21 ms 380 KB Output is correct
29 Correct 9 ms 420 KB Output is correct
30 Correct 16 ms 352 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 320 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 2 ms 208 KB Output is correct
13 Correct 2 ms 312 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Correct 2 ms 320 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 5 ms 308 KB Output is correct
18 Correct 15 ms 388 KB Output is correct
19 Correct 14 ms 328 KB Output is correct
20 Correct 9 ms 408 KB Output is correct
21 Correct 14 ms 356 KB Output is correct
22 Correct 20 ms 348 KB Output is correct
23 Correct 17 ms 336 KB Output is correct
24 Correct 22 ms 336 KB Output is correct
25 Correct 17 ms 416 KB Output is correct
26 Correct 16 ms 364 KB Output is correct
27 Correct 15 ms 376 KB Output is correct
28 Correct 21 ms 380 KB Output is correct
29 Correct 9 ms 420 KB Output is correct
30 Correct 16 ms 352 KB Output is correct
31 Correct 36 ms 568 KB Output is correct
32 Correct 55 ms 804 KB Output is correct
33 Correct 72 ms 840 KB Output is correct
34 Correct 82 ms 896 KB Output is correct
35 Correct 82 ms 1124 KB Output is correct
36 Correct 87 ms 948 KB Output is correct
37 Correct 74 ms 864 KB Output is correct
38 Correct 82 ms 840 KB Output is correct
39 Correct 80 ms 1124 KB Output is correct
40 Correct 83 ms 860 KB Output is correct
41 Correct 82 ms 868 KB Output is correct
42 Correct 88 ms 864 KB Output is correct
43 Correct 68 ms 976 KB Output is correct
44 Correct 80 ms 896 KB Output is correct
45 Correct 83 ms 940 KB Output is correct
46 Correct 78 ms 1108 KB Output is correct
47 Correct 98 ms 956 KB Output is correct
48 Correct 88 ms 924 KB Output is correct
49 Correct 86 ms 912 KB Output is correct
50 Correct 80 ms 940 KB Output is correct
51 Correct 88 ms 948 KB Output is correct
52 Correct 87 ms 872 KB Output is correct
53 Correct 61 ms 980 KB Output is correct
54 Correct 48 ms 960 KB Output is correct
55 Correct 91 ms 844 KB Output is correct
56 Correct 84 ms 916 KB Output is correct
57 Correct 90 ms 896 KB Output is correct
58 Correct 92 ms 932 KB Output is correct
59 Correct 83 ms 848 KB Output is correct
60 Correct 78 ms 932 KB Output is correct