Submission #1866910
Source Code Expand
#include <iostream> #include <cstdio> using namespace std; typedef long long ll; ll n, A, B, s, g, l, r, md, num, ans, a[100005]; int main() { ll i; cin >> n >> A >> B; for (i =0; i < n; i++) { scanf ("%lld", &a[i]); s += a[i]; } l = 1; r = s / B + 2; while (l < r) { md = (l + r) / 2; g = 0; for (i = 0; i < n; i++) { num = a[i] - B * md; if (num > 0) { g += num / (A - B); if (num % (A - B)) g++; } } if (g > md) l = md + 1; else { r = md; ans = md; } } cout << ans; return 0; }
Submission Info
Submission Time | |
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Task | D - Widespread |
User | sean617 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 569 Byte |
Status | AC |
Exec Time | 47 ms |
Memory | 1024 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:24: 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 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | a01, a02, a03 |
All | a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
b04 | AC | 1 ms | 256 KB |
b05 | AC | 16 ms | 1024 KB |
b06 | AC | 47 ms | 1024 KB |
b07 | AC | 27 ms | 1024 KB |
b08 | AC | 27 ms | 1024 KB |
b09 | AC | 17 ms | 1024 KB |
b10 | AC | 16 ms | 1024 KB |
b11 | AC | 18 ms | 1024 KB |
b12 | AC | 18 ms | 1024 KB |
b13 | AC | 39 ms | 1024 KB |