Submission #348246
Source Code Expand
#include <stdio.h> int N,D[55]; int main() { scanf ("%d",&N); int x=0,s=1; for (int i=2;i<=N;i++){ printf ("? %d %d\n",1,i); fflush(stdout); scanf ("%d",&D[i]); if (x < D[i]) x = D[i], s = i; } int y = 0; for (int i=1;i<=N;i++){ if (i != s){ printf ("? %d %d\n",s,i); fflush(stdout); int d; scanf ("%d",&d); if (y < d) y = d; } } printf ("! %d\n",y); fflush(stdout); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 高橋くんと木の直径 |
User | august14 |
Language | C++ (G++ 4.6.4) |
Score | 100 |
Code Size | 459 Byte |
Status | AC |
Exec Time | 54 ms |
Memory | 2088 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] ./Main.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] ./Main.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 20 / 20 | 80 / 80 | ||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
Sample | subtask0_0.txt |
Subtask1 | subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask0_0.txt |
All | subtask0_0.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask2_0.txt, subtask2_1.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_2.txt, subtask2_3.txt, subtask2_4.txt, subtask2_5.txt, subtask2_6.txt, subtask2_7.txt, subtask2_8.txt, subtask2_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0_0.txt | AC | 44 ms | 2020 KB |
subtask1_0.txt | AC | 48 ms | 1992 KB |
subtask1_1.txt | AC | 46 ms | 2008 KB |
subtask1_10.txt | AC | 45 ms | 2040 KB |
subtask1_11.txt | AC | 47 ms | 2020 KB |
subtask1_12.txt | AC | 49 ms | 2004 KB |
subtask1_13.txt | AC | 54 ms | 2004 KB |
subtask1_14.txt | AC | 50 ms | 2016 KB |
subtask1_15.txt | AC | 48 ms | 2032 KB |
subtask1_16.txt | AC | 46 ms | 2016 KB |
subtask1_17.txt | AC | 46 ms | 2012 KB |
subtask1_18.txt | AC | 46 ms | 2012 KB |
subtask1_19.txt | AC | 47 ms | 2088 KB |
subtask1_2.txt | AC | 47 ms | 2008 KB |
subtask1_20.txt | AC | 43 ms | 2004 KB |
subtask1_3.txt | AC | 46 ms | 2008 KB |
subtask1_4.txt | AC | 44 ms | 2012 KB |
subtask1_5.txt | AC | 46 ms | 2008 KB |
subtask1_6.txt | AC | 49 ms | 2004 KB |
subtask1_7.txt | AC | 46 ms | 2044 KB |
subtask1_8.txt | AC | 45 ms | 2000 KB |
subtask1_9.txt | AC | 47 ms | 2004 KB |
subtask2_0.txt | AC | 46 ms | 2004 KB |
subtask2_1.txt | AC | 48 ms | 2000 KB |
subtask2_10.txt | AC | 45 ms | 2000 KB |
subtask2_11.txt | AC | 48 ms | 2008 KB |
subtask2_12.txt | AC | 45 ms | 2008 KB |
subtask2_13.txt | AC | 46 ms | 2024 KB |
subtask2_14.txt | AC | 45 ms | 2004 KB |
subtask2_15.txt | AC | 47 ms | 2012 KB |
subtask2_16.txt | AC | 45 ms | 1996 KB |
subtask2_17.txt | AC | 44 ms | 2012 KB |
subtask2_18.txt | AC | 45 ms | 2004 KB |
subtask2_19.txt | AC | 46 ms | 2004 KB |
subtask2_2.txt | AC | 47 ms | 2024 KB |
subtask2_3.txt | AC | 46 ms | 2016 KB |
subtask2_4.txt | AC | 47 ms | 2008 KB |
subtask2_5.txt | AC | 45 ms | 2016 KB |
subtask2_6.txt | AC | 45 ms | 2012 KB |
subtask2_7.txt | AC | 48 ms | 2060 KB |
subtask2_8.txt | AC | 47 ms | 2020 KB |
subtask2_9.txt | AC | 46 ms | 2012 KB |