Submission #3513439
Source Code Expand
#include <bits/stdc++.h> #define rep(i, n) for (rint i = 1; i <= (n); i ++) #define re0(i, n) for (rint i = 0; i < (int) n; i ++) #define travel(i, u) for (rint i = head[u]; i; i = e[i].nxt) #define rint register int using namespace std; template<typename tp> inline void read(tp &x) { x = 0; char c = getchar(); int f = 0; for (; c < '0' || c > '9'; f |= c == '-', c = getchar()); for (; c >= '0' && c <= '9'; x = (x << 3) + (x << 1) + c - '0', c = getchar()); if (f) x = -x; } #define pb push_back int n, x, ban[2333]; int main(void) { read(n); rep (i, n) { int t; read(t); x ^= t; re0 (k, 31) if (t >> k & 1) { ban[k] = true; break; } } int ans = 0; for (int k = 31; ~k; k --) if (x >> k & 1) { if (!ban[k]) return puts("-1"), 0; ++ ans; for (int i = k; ~i; i --) x ^= 1<< i; } cout << ans << "\n"; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | vjudge5 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 889 Byte |
Status | AC |
Exec Time | 11 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 1 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 10 ms | 256 KB |
003.txt | AC | 3 ms | 256 KB |
004.txt | AC | 4 ms | 256 KB |
005.txt | AC | 4 ms | 256 KB |
006.txt | AC | 10 ms | 256 KB |
007.txt | AC | 10 ms | 256 KB |
008.txt | AC | 10 ms | 256 KB |
009.txt | AC | 11 ms | 256 KB |
010.txt | AC | 10 ms | 256 KB |
011.txt | AC | 10 ms | 256 KB |
012.txt | AC | 10 ms | 256 KB |
013.txt | AC | 10 ms | 256 KB |
014.txt | AC | 11 ms | 256 KB |
015.txt | AC | 10 ms | 256 KB |
016.txt | AC | 10 ms | 256 KB |
017.txt | AC | 10 ms | 256 KB |
018.txt | AC | 10 ms | 256 KB |
019.txt | AC | 11 ms | 256 KB |
020.txt | AC | 10 ms | 256 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 2 ms | 256 KB |
023.txt | AC | 10 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |