Submission #1389797
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> pii; #define fst first #define snd second #define pb push_back #define eb emplace_back #define REP(i, a, b) for(int i = (a), i##end = (b); i < i##end; ++i) #define DREP(i, a, b) for(int i=(a-1), i##end = (b); i >=i##end; --i) template <typename T> bool chkmax(T& a, T b) { return a < b ? a = b, 1 : 0; } template <typename T> bool chkmin(T& a, T b) { return a > b ? a = b, 1 : 0; } const int oo = 0x3f3f3f3f; const int maxn = 100000 + 10; template<typename T> T read() { T n(0), f(1); char ch = getchar(); for( ;!isdigit(ch); ch = getchar()) if(ch == '-') f = -1; for( ; isdigit(ch); ch = getchar()) n = n * 10 + ch - 48; return n * f; } int n; int a[maxn]; int b[maxn]; vector<int> A, B, G[maxn]; int main() { #ifdef Wearry freopen("data.txt", "r", stdin); freopen("ans.txt", "w", stdout); #endif n = read<int>(); for(int i = 1; i <= n; i++) a[0] ^= (a[i] = read<int>()), A.pb(a[i]); for(int i = 1; i <= n; i++) b[0] ^= (b[i] = read<int>()), B.pb(b[i]); A.pb(a[0]); sort(A.begin(), A.end()); B.pb(b[0]); sort(B.begin(), B.end()); for(int i = 0; i <= n; i++) if(A[i] != B[i]) return puts("-1"), 0; static bool equ[maxn], vis[maxn]; A.resize(unique(A.begin(), A.end()) - A.begin()); for(int i = 1; i <= n; i++) equ[i] = (a[i] == b[i]); for(int i = 0; i <= n; i++) a[i] = lower_bound(A.begin(), A.end(), a[i]) - A.begin(); for(int i = 0; i <= n; i++) b[i] = lower_bound(A.begin(), A.end(), b[i]) - A.begin(); for(int i = 0; i <= n; i++) if(!equ[i]) G[a[i]].pb(i); int ans = 0; for(int i = 0; i <= n; i++) if(!equ[i] && !vis[i]) { static int q[maxn]; int head = 0, tail = 0; vis[q[tail++] = i] = 1; while(head < tail) { int x = q[head++]; for(const auto& to : G[b[x]]) if(!vis[to]) vis[to] = 1, q[tail++] = to; } ans += i ? tail+1 : tail-1; } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - XOR Replace |
User | Wearry |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 2141 Byte |
Status | AC |
Exec Time | 909 ms |
Memory | 7800 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 2 ms | 2560 KB |
0_01.txt | AC | 2 ms | 2560 KB |
0_02.txt | AC | 2 ms | 2560 KB |
0_03.txt | AC | 2 ms | 2560 KB |
1_00.txt | AC | 2 ms | 2560 KB |
1_01.txt | AC | 2 ms | 2560 KB |
1_02.txt | AC | 2 ms | 2560 KB |
1_03.txt | AC | 2 ms | 2560 KB |
1_04.txt | AC | 2 ms | 2560 KB |
1_05.txt | AC | 2 ms | 2560 KB |
1_06.txt | AC | 2 ms | 2560 KB |
1_07.txt | AC | 37 ms | 4344 KB |
1_08.txt | AC | 43 ms | 7800 KB |
1_09.txt | AC | 36 ms | 7416 KB |
1_10.txt | AC | 876 ms | 4856 KB |
1_11.txt | AC | 17 ms | 4344 KB |
1_12.txt | AC | 850 ms | 4856 KB |
1_13.txt | AC | 909 ms | 4856 KB |
1_14.txt | AC | 753 ms | 5112 KB |
1_15.txt | AC | 22 ms | 4344 KB |
1_16.txt | AC | 758 ms | 5112 KB |
1_17.txt | AC | 23 ms | 4344 KB |
1_18.txt | AC | 303 ms | 5240 KB |
1_19.txt | AC | 25 ms | 4344 KB |
1_20.txt | AC | 300 ms | 5240 KB |
1_21.txt | AC | 25 ms | 4344 KB |
1_22.txt | AC | 112 ms | 5240 KB |
1_23.txt | AC | 26 ms | 4344 KB |
1_24.txt | AC | 112 ms | 5240 KB |
1_25.txt | AC | 26 ms | 4344 KB |
1_26.txt | AC | 59 ms | 5240 KB |
1_27.txt | AC | 28 ms | 4344 KB |
1_28.txt | AC | 61 ms | 5240 KB |
1_29.txt | AC | 28 ms | 4344 KB |
1_30.txt | AC | 52 ms | 5368 KB |
1_31.txt | AC | 28 ms | 4344 KB |
1_32.txt | AC | 53 ms | 5368 KB |
1_33.txt | AC | 29 ms | 4344 KB |
1_34.txt | AC | 53 ms | 5496 KB |
1_35.txt | AC | 30 ms | 4344 KB |
1_36.txt | AC | 52 ms | 5496 KB |
1_37.txt | AC | 30 ms | 4344 KB |
1_38.txt | AC | 59 ms | 5880 KB |
1_39.txt | AC | 31 ms | 4344 KB |
1_40.txt | AC | 58 ms | 5880 KB |
1_41.txt | AC | 32 ms | 4344 KB |
1_42.txt | AC | 63 ms | 6904 KB |
1_43.txt | AC | 33 ms | 4344 KB |
1_44.txt | AC | 63 ms | 6904 KB |
1_45.txt | AC | 31 ms | 4344 KB |
1_46.txt | AC | 65 ms | 7544 KB |
1_47.txt | AC | 31 ms | 4344 KB |
1_48.txt | AC | 66 ms | 7544 KB |
1_49.txt | AC | 31 ms | 4344 KB |
1_50.txt | AC | 66 ms | 7800 KB |
1_51.txt | AC | 30 ms | 4344 KB |
1_52.txt | AC | 65 ms | 7800 KB |
1_53.txt | AC | 31 ms | 4344 KB |
1_54.txt | AC | 66 ms | 7800 KB |
1_55.txt | AC | 31 ms | 4344 KB |
1_56.txt | AC | 65 ms | 7800 KB |
1_57.txt | AC | 31 ms | 4344 KB |
1_58.txt | AC | 65 ms | 7800 KB |
1_59.txt | AC | 31 ms | 4344 KB |
1_60.txt | AC | 66 ms | 7800 KB |
1_61.txt | AC | 31 ms | 4344 KB |
1_62.txt | AC | 66 ms | 7800 KB |
1_63.txt | AC | 30 ms | 4344 KB |
1_64.txt | AC | 65 ms | 7800 KB |
1_65.txt | AC | 31 ms | 4344 KB |
1_66.txt | AC | 66 ms | 7800 KB |
1_67.txt | AC | 31 ms | 4344 KB |
1_68.txt | AC | 65 ms | 7800 KB |
1_69.txt | AC | 31 ms | 4344 KB |