Submission #2738506
Source Code Expand
#include <stdio.h> #include <stdlib.h> int compare(const void *a, const void *b){ return *(int *)b - *(int *)a; } int main(){ int N, i, x = 0, ans = 0; scanf("%d", &N); int *a = (int *)malloc(sizeof(int) * N); for(i = 0; i < N; i++){ scanf("%d", &a[i]); x ^= a[i]; a[i] ^= a[i] - 1; } qsort(a, N, sizeof(int), compare); for(i = 0; i < N; i++){ if((x ^ a[i]) < x && (x ^ a[i]) < a[i]){ x ^= a[i]; ans++; if(x == 0){ printf("%d\n", ans); return 0; } } } printf("-1\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | abc050 |
Language | C (GCC 5.4.1) |
Score | 0 |
Code Size | 551 Byte |
Status | WA |
Exec Time | 22 ms |
Memory | 892 KB |
Compile Error
./Main.c: In function ‘main’: ./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.c:13:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
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|
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 | WA | 17 ms | 764 KB |
003.txt | AC | 10 ms | 636 KB |
004.txt | AC | 9 ms | 508 KB |
005.txt | AC | 6 ms | 380 KB |
006.txt | AC | 22 ms | 892 KB |
007.txt | AC | 22 ms | 892 KB |
008.txt | AC | 22 ms | 892 KB |
009.txt | AC | 22 ms | 892 KB |
010.txt | AC | 22 ms | 892 KB |
011.txt | AC | 22 ms | 892 KB |
012.txt | AC | 22 ms | 892 KB |
013.txt | AC | 22 ms | 892 KB |
014.txt | AC | 22 ms | 892 KB |
015.txt | AC | 22 ms | 892 KB |
016.txt | AC | 22 ms | 892 KB |
017.txt | AC | 22 ms | 892 KB |
018.txt | AC | 22 ms | 892 KB |
019.txt | AC | 22 ms | 892 KB |
020.txt | AC | 22 ms | 892 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 3 ms | 256 KB |
023.txt | AC | 17 ms | 764 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |