Submission #3735345
Source Code Expand
#include <stdio.h> typedef long long ll; int main(void) { ll i, j, k, n, s = 0ll, ans = 0; scanf("%lld", &n); ll a[n]; for(i = 0; i < n; ++i) { scanf("%lld", &a[i]); s ^= a[i]; } for(i = 40; i >= 0; --i) { ll t = 1ll << i, b = (1 << (i + 1)) - 1; if(s & t) { for(j = 0; j < n; ++j) { if((b & a[j]) == t) { ans++; break; } } if(j == n) { printf("-1"); return 0; } s = ~s; } } printf("%lld", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | masa002 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 557 Byte |
Status | AC |
Exec Time | 13 ms |
Memory | 896 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:6:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &n); ^ ./Main.cpp:9:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &a[i]); ^
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 | 128 KB |
001.txt | AC | 1 ms | 128 KB |
002.txt | AC | 13 ms | 896 KB |
003.txt | AC | 6 ms | 640 KB |
004.txt | AC | 5 ms | 512 KB |
005.txt | AC | 4 ms | 384 KB |
006.txt | AC | 12 ms | 896 KB |
007.txt | AC | 12 ms | 896 KB |
008.txt | AC | 12 ms | 896 KB |
009.txt | AC | 12 ms | 896 KB |
010.txt | AC | 12 ms | 896 KB |
011.txt | AC | 12 ms | 896 KB |
012.txt | AC | 12 ms | 896 KB |
013.txt | AC | 12 ms | 896 KB |
014.txt | AC | 12 ms | 896 KB |
015.txt | AC | 12 ms | 896 KB |
016.txt | AC | 12 ms | 896 KB |
017.txt | AC | 12 ms | 896 KB |
018.txt | AC | 12 ms | 896 KB |
019.txt | AC | 12 ms | 896 KB |
020.txt | AC | 12 ms | 896 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 2 ms | 256 KB |
023.txt | AC | 12 ms | 896 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |