Submission #6508126
Source Code Expand
#include <cstdio> int n, a = 1, b = 1, c, ans, ans1, ans2; int main() { scanf("%d", &n); for(c = 2; c <= n; c++) { printf("? %d %d\n", a, c); fflush(stdout); scanf("%d", &ans1); printf("? %d %d\n", b, c); fflush(stdout); scanf("%d", &ans2); if(ans1 >= ans2 && ans1 > ans) b = c,ans = ans1; else if(ans2 > ans1 && ans2 > ans) a = c,ans = ans2; } printf("! %d\n", ans); return 0; }
Submission Info
Submission Time | |
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Task | D - 高橋くんと木の直径 |
User | luogu_bot3 |
Language | C++ (GCC 5.4.1) |
Score | 100 |
Code Size | 427 Byte |
Status | AC |
Exec Time | 7 ms |
Memory | 632 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:5:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:10:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &ans1); ^ ./Main.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &ans2); ^
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 20 / 20 | 80 / 80 | ||||||
Status |
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Set Name | Test Cases |
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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 | 3 ms | 596 KB |
subtask1_0.txt | AC | 7 ms | 632 KB |
subtask1_1.txt | AC | 6 ms | 632 KB |
subtask1_10.txt | AC | 7 ms | 628 KB |
subtask1_11.txt | AC | 7 ms | 628 KB |
subtask1_12.txt | AC | 6 ms | 628 KB |
subtask1_13.txt | AC | 6 ms | 628 KB |
subtask1_14.txt | AC | 6 ms | 628 KB |
subtask1_15.txt | AC | 7 ms | 632 KB |
subtask1_16.txt | AC | 6 ms | 624 KB |
subtask1_17.txt | AC | 6 ms | 628 KB |
subtask1_18.txt | AC | 6 ms | 628 KB |
subtask1_19.txt | AC | 6 ms | 632 KB |
subtask1_2.txt | AC | 6 ms | 628 KB |
subtask1_20.txt | AC | 3 ms | 592 KB |
subtask1_3.txt | AC | 6 ms | 628 KB |
subtask1_4.txt | AC | 6 ms | 628 KB |
subtask1_5.txt | AC | 7 ms | 628 KB |
subtask1_6.txt | AC | 6 ms | 628 KB |
subtask1_7.txt | AC | 6 ms | 628 KB |
subtask1_8.txt | AC | 6 ms | 628 KB |
subtask1_9.txt | AC | 6 ms | 628 KB |
subtask2_0.txt | AC | 6 ms | 624 KB |
subtask2_1.txt | AC | 6 ms | 628 KB |
subtask2_10.txt | AC | 6 ms | 628 KB |
subtask2_11.txt | AC | 6 ms | 628 KB |
subtask2_12.txt | AC | 6 ms | 628 KB |
subtask2_13.txt | AC | 6 ms | 628 KB |
subtask2_14.txt | AC | 6 ms | 628 KB |
subtask2_15.txt | AC | 6 ms | 632 KB |
subtask2_16.txt | AC | 6 ms | 632 KB |
subtask2_17.txt | AC | 6 ms | 628 KB |
subtask2_18.txt | AC | 6 ms | 628 KB |
subtask2_19.txt | AC | 6 ms | 628 KB |
subtask2_2.txt | AC | 6 ms | 628 KB |
subtask2_3.txt | AC | 6 ms | 624 KB |
subtask2_4.txt | AC | 6 ms | 628 KB |
subtask2_5.txt | AC | 6 ms | 632 KB |
subtask2_6.txt | AC | 6 ms | 628 KB |
subtask2_7.txt | AC | 6 ms | 628 KB |
subtask2_8.txt | AC | 6 ms | 628 KB |
subtask2_9.txt | AC | 6 ms | 624 KB |