Submission #1556152
Source Code Expand
#include <algorithm> #include <cstdio> #include <map> #include <numeric> #include <vector> #define repeat(i, n) for (int i = 0; (i) < int(n); ++(i)) #define whole(x) begin(x), end(x) using namespace std; int solve(int n, vector<int> const & a, vector<int> const & b) { int sum_a = accumulate(whole(a), 0, bit_xor<int>()); map<int, map<int, int> > g; auto link = [&](int x, int y) { if (x != y) { g[x][y] += 1; } }; auto unlink = [&](int x, int y) { g[x][y] -= 1; if (not g[x][y]) { g[x].erase(y); if (g[x].empty()) { g.erase(x); } } }; repeat (i, n) { link(b[i], a[i]); } int result = 0; for (int i = sum_a; not g.empty(); ++ result) { if (result > 2 * n) return -1; if (not g.count(i)) { int j = g.begin()->first; int k = g.begin()->second.begin()->first; unlink(j, k); link(j, i); i = k; } else { int j = g[i].begin()->first; unlink(i, j); i = j; } } return result; } int main() { int n; scanf("%d", &n); vector<int> a(n); repeat (i, n) scanf("%d", &a[i]); vector<int> b(n); repeat (i, n) scanf("%d", &b[i]); int result = solve(n, a, b); printf("%d\n", result); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - XOR Replace |
User | kimiyuki |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1445 Byte |
Status | WA |
Exec Time | 166 ms |
Memory | 15104 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:49:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int n; scanf("%d", &n); ^ ./Main.cpp:50:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] vector<int> a(n); repeat (i, n) scanf("%d", &a[i]); ^ ./Main.cpp:51:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] vector<int> b(n); repeat (i, n) scanf("%d", &b[i]); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 1 ms | 256 KB |
1_07.txt | AC | 20 ms | 1024 KB |
1_08.txt | AC | 82 ms | 15104 KB |
1_09.txt | AC | 106 ms | 15104 KB |
1_10.txt | AC | 23 ms | 1024 KB |
1_11.txt | AC | 42 ms | 1024 KB |
1_12.txt | AC | 23 ms | 1024 KB |
1_13.txt | AC | 23 ms | 1024 KB |
1_14.txt | WA | 29 ms | 1024 KB |
1_15.txt | AC | 48 ms | 1024 KB |
1_16.txt | WA | 30 ms | 1024 KB |
1_17.txt | AC | 40 ms | 1024 KB |
1_18.txt | AC | 33 ms | 1024 KB |
1_19.txt | AC | 52 ms | 1024 KB |
1_20.txt | AC | 33 ms | 1024 KB |
1_21.txt | AC | 51 ms | 1024 KB |
1_22.txt | WA | 47 ms | 1792 KB |
1_23.txt | AC | 69 ms | 1792 KB |
1_24.txt | WA | 47 ms | 1792 KB |
1_25.txt | AC | 66 ms | 1792 KB |
1_26.txt | WA | 83 ms | 4864 KB |
1_27.txt | AC | 101 ms | 4864 KB |
1_28.txt | WA | 85 ms | 4864 KB |
1_29.txt | AC | 103 ms | 4992 KB |
1_30.txt | WA | 99 ms | 5760 KB |
1_31.txt | AC | 119 ms | 5760 KB |
1_32.txt | WA | 101 ms | 5760 KB |
1_33.txt | AC | 107 ms | 5888 KB |
1_34.txt | WA | 108 ms | 6272 KB |
1_35.txt | AC | 123 ms | 6528 KB |
1_36.txt | WA | 106 ms | 6272 KB |
1_37.txt | AC | 128 ms | 6400 KB |
1_38.txt | WA | 125 ms | 8576 KB |
1_39.txt | AC | 144 ms | 8576 KB |
1_40.txt | WA | 123 ms | 8576 KB |
1_41.txt | AC | 132 ms | 8576 KB |
1_42.txt | WA | 145 ms | 12032 KB |
1_43.txt | AC | 144 ms | 12288 KB |
1_44.txt | WA | 140 ms | 12288 KB |
1_45.txt | AC | 136 ms | 12160 KB |
1_46.txt | WA | 147 ms | 14208 KB |
1_47.txt | AC | 131 ms | 14080 KB |
1_48.txt | WA | 148 ms | 14208 KB |
1_49.txt | AC | 147 ms | 14080 KB |
1_50.txt | WA | 148 ms | 14720 KB |
1_51.txt | AC | 161 ms | 14336 KB |
1_52.txt | WA | 155 ms | 14848 KB |
1_53.txt | AC | 134 ms | 14720 KB |
1_54.txt | WA | 148 ms | 14848 KB |
1_55.txt | AC | 162 ms | 14592 KB |
1_56.txt | WA | 150 ms | 14976 KB |
1_57.txt | AC | 128 ms | 14976 KB |
1_58.txt | WA | 154 ms | 14976 KB |
1_59.txt | AC | 164 ms | 14976 KB |
1_60.txt | WA | 149 ms | 14976 KB |
1_61.txt | AC | 122 ms | 14976 KB |
1_62.txt | WA | 150 ms | 15104 KB |
1_63.txt | AC | 129 ms | 14336 KB |
1_64.txt | WA | 146 ms | 14848 KB |
1_65.txt | AC | 160 ms | 14848 KB |
1_66.txt | WA | 148 ms | 14848 KB |
1_67.txt | AC | 166 ms | 14848 KB |
1_68.txt | WA | 149 ms | 14976 KB |
1_69.txt | AC | 161 ms | 14976 KB |