Submission #2119305
Source Code Expand
#include <stdio.h> #include <algorithm> #include <assert.h> #include <bitset> #include <cmath> #include <complex> #include <deque> #include <functional> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <queue> #include <set> #include <stdlib.h> #include <string.h> #include <string> #include <time.h> #include <unordered_map> #include <unordered_set> #include <vector> #pragma warning(disable:4996) #pragma comment(linker, "/STACK:336777216") using namespace std; #define mp make_pair #define all(x) (x).begin(), (x).end() #define ldb ldouble typedef tuple<int, int, int> t3; typedef long long ll; typedef unsigned long long ull; typedef double db; typedef long double ldb; typedef pair <int, int> pii; typedef pair <ll, ll> pll; typedef pair <ll, int> pli; typedef pair <db, db> pdd; int IT_MAX = 1 << 19; int MOD = 1000000007; const int INF = 0x3f3f3f3f; const ll LL_INF = 0x3f3f3f3f3f3f3f3f; const db PI = acos(-1); const db ERR = 1e-10; #define szz(x) (int)(x).size() #define rep(i, n) for(int i=0;i<n;i++) #define Se second #define Fi first const int MX = 15; const int MM = 1000000007; const int DEBUG = 0; ll N; bool check(ll x){ printf("? %lld\n", x); fflush(stdout); char buf[10]; if(DEBUG){ char P[20], Q[20]; sprintf(P, "%lld", x); sprintf(Q, "%lld", N); if( ((string)P <= (string)Q) ^ (x <= N)) return false; return true; } scanf("%s", buf); return buf[0] == 'Y'; } int main() { if(DEBUG) scanf("%lld", &N); ll s = 1e10, e = 1e11, m; while(s <= e){ m = (s+e) / 2; if( check(m) ) e = m-1; else s = m+1; }swap(s, e); while(e%10 == 0){ e /= 10; if( !check(e+1) ){ printf("! %lld\n", e*10); fflush(stdout); return 0; } } if(!check(e+1))printf("! %lld\n", e*10); else printf("! %lld\n", e); fflush(stdout); }
Submission Info
Submission Time | |
---|---|
Task | E - Awkward Response |
User | zigui |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1897 Byte |
Status | WA |
Exec Time | 5 ms |
Memory | 720 KB |
Compile Error
./Main.cpp: In function ‘bool check(ll)’: ./Main.cpp:70:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", buf); return buf[0] == 'Y'; ^ ./Main.cpp: In function ‘int main()’: ./Main.cpp:75:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] if(DEBUG) scanf("%lld", &N); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 800 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt |
All | 00_example_01.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 5 ms | 720 KB |
01.txt | AC | 5 ms | 588 KB |
02.txt | AC | 5 ms | 596 KB |
03.txt | AC | 4 ms | 588 KB |
04.txt | AC | 5 ms | 592 KB |
05.txt | AC | 4 ms | 592 KB |
06.txt | AC | 4 ms | 592 KB |
07.txt | AC | 4 ms | 588 KB |
08.txt | AC | 4 ms | 588 KB |
09.txt | AC | 5 ms | 592 KB |
10.txt | AC | 5 ms | 592 KB |
11.txt | AC | 5 ms | 592 KB |
12.txt | AC | 5 ms | 592 KB |
13.txt | AC | 5 ms | 592 KB |
14.txt | AC | 4 ms | 596 KB |
15.txt | AC | 4 ms | 592 KB |
16.txt | AC | 4 ms | 592 KB |
17.txt | AC | 4 ms | 596 KB |
18.txt | AC | 5 ms | 592 KB |
19.txt | AC | 5 ms | 592 KB |
20.txt | AC | 5 ms | 588 KB |
21.txt | AC | 5 ms | 592 KB |
22.txt | AC | 5 ms | 596 KB |
23.txt | AC | 5 ms | 592 KB |
24.txt | AC | 5 ms | 592 KB |
25.txt | AC | 4 ms | 588 KB |
26.txt | AC | 4 ms | 592 KB |
27.txt | AC | 4 ms | 596 KB |
28.txt | AC | 4 ms | 592 KB |
29.txt | AC | 4 ms | 592 KB |
30.txt | AC | 4 ms | 592 KB |
31.txt | WA | 5 ms | 588 KB |
32.txt | WA | 5 ms | 592 KB |
33.txt | WA | 5 ms | 596 KB |
34.txt | WA | 5 ms | 592 KB |
35.txt | WA | 4 ms | 592 KB |
36.txt | WA | 4 ms | 592 KB |
37.txt | WA | 4 ms | 588 KB |
38.txt | WA | 4 ms | 592 KB |
39.txt | WA | 4 ms | 592 KB |