Submission #1000575
Source Code Expand
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using D = double; using uint = unsigned int; #ifdef WIN32 #define LLD "%I64d" #else #define LLD "%lld" #endif #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second int should[50], can[50]; int n; int main() { scanf("%d", &n); int ttxor = 0; for (int i = 0; i < n; i++) { int x; scanf("%d", &x); ttxor ^= x; int cur = 0; while (x % 2 == 0) { cur++; x /= 2; } can[cur] = true; } for (int i = 0; i < 40; i++) { should[i] = (ttxor & 1); ttxor /= 2; } int curxor = 0; int ans = 0; for (int i = 39; i >= 0; i--) if (should[i] != curxor) { if (!can[i]) { printf("-1\n"); return 0; } ans++; curxor ^= 1; } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | KAN |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1084 Byte |
Status | AC |
Exec Time | 16 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:27:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:32:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^
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 | 2 ms | 256 KB |
001.txt | AC | 3 ms | 256 KB |
002.txt | AC | 15 ms | 256 KB |
003.txt | AC | 8 ms | 256 KB |
004.txt | AC | 7 ms | 256 KB |
005.txt | AC | 6 ms | 256 KB |
006.txt | AC | 16 ms | 256 KB |
007.txt | AC | 16 ms | 256 KB |
008.txt | AC | 16 ms | 256 KB |
009.txt | AC | 16 ms | 256 KB |
010.txt | AC | 16 ms | 256 KB |
011.txt | AC | 16 ms | 256 KB |
012.txt | AC | 16 ms | 256 KB |
013.txt | AC | 16 ms | 256 KB |
014.txt | AC | 16 ms | 256 KB |
015.txt | AC | 16 ms | 256 KB |
016.txt | AC | 16 ms | 256 KB |
017.txt | AC | 16 ms | 256 KB |
018.txt | AC | 16 ms | 256 KB |
019.txt | AC | 16 ms | 256 KB |
020.txt | AC | 16 ms | 256 KB |
021.txt | AC | 4 ms | 256 KB |
022.txt | AC | 4 ms | 256 KB |
023.txt | AC | 15 ms | 256 KB |
example0.txt | AC | 2 ms | 256 KB |
example1.txt | AC | 2 ms | 256 KB |