From 89733653d2f6a9cfe4a4d89f6f90fcb8f30bc14e Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Mon, 14 Nov 2022 23:47:04 +0200 Subject: Added 3 new problems from codeforces --- codeforces/BuyAShovel/main | Bin 0 -> 22744 bytes codeforces/BuyAShovel/main.cpp | 54 +++++++++++++++++++++++++++++++++ codeforces/BuyAShovel/main_input0.txt | 1 + codeforces/BuyAShovel/main_input1.txt | 1 + codeforces/BuyAShovel/main_input2.txt | 1 + codeforces/BuyAShovel/main_output0.txt | 1 + codeforces/BuyAShovel/main_output1.txt | 1 + codeforces/BuyAShovel/main_output2.txt | 1 + 8 files changed, 60 insertions(+) create mode 100755 codeforces/BuyAShovel/main create mode 100644 codeforces/BuyAShovel/main.cpp create mode 100644 codeforces/BuyAShovel/main_input0.txt create mode 100644 codeforces/BuyAShovel/main_input1.txt create mode 100644 codeforces/BuyAShovel/main_input2.txt create mode 100644 codeforces/BuyAShovel/main_output0.txt create mode 100644 codeforces/BuyAShovel/main_output1.txt create mode 100644 codeforces/BuyAShovel/main_output2.txt (limited to 'codeforces/BuyAShovel') diff --git a/codeforces/BuyAShovel/main b/codeforces/BuyAShovel/main new file mode 100755 index 0000000..84997a5 Binary files /dev/null and b/codeforces/BuyAShovel/main differ diff --git a/codeforces/BuyAShovel/main.cpp b/codeforces/BuyAShovel/main.cpp new file mode 100644 index 0000000..a486a92 --- /dev/null +++ b/codeforces/BuyAShovel/main.cpp @@ -0,0 +1,54 @@ +#include + +using namespace std; + +using ll = long long; +using pi = pair; +using vpi = vector; +using vi = vector; +using vll = vector; +using mpii = map; +using mpll = map; +using db = long double; + +#define push_back pb +#define all(x) (x).begin(), (x).end() +#define rall(x) (x).rbegin(), (x).rend() +#define lb lower_bound +#define ub upper_bound + +const int MOD = (int)1e9 + 7; +const db PI = acos((db)-1); +const int dx[4]{1, 0, -1, 0}; +const int dy[4]{0, 1, 0, -1}; + +void solve() { + int k, r; + cin >> k >> r; + int cnt = 1; + int i = 2; + int x = k; + while (x % 10 != r && x % 10 != 0) { + cerr << x << '\n'; + x = k * i; + cnt++; + i++; + } + cout << cnt << '\n'; + +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + solve(); +} + +/* stuff you should look for: + --------------------------- + * special cases (n=1?) + * int overflow, array bounds + * do smth instead of nothing and stay organized + * WRITE STUFF DOWN + * DON'T GET STUCK ON ONE APPROACH + */ diff --git a/codeforces/BuyAShovel/main_input0.txt b/codeforces/BuyAShovel/main_input0.txt new file mode 100644 index 0000000..77d5b11 --- /dev/null +++ b/codeforces/BuyAShovel/main_input0.txt @@ -0,0 +1 @@ +117 3 diff --git a/codeforces/BuyAShovel/main_input1.txt b/codeforces/BuyAShovel/main_input1.txt new file mode 100644 index 0000000..70a833f --- /dev/null +++ b/codeforces/BuyAShovel/main_input1.txt @@ -0,0 +1 @@ +237 7 diff --git a/codeforces/BuyAShovel/main_input2.txt b/codeforces/BuyAShovel/main_input2.txt new file mode 100644 index 0000000..4955335 --- /dev/null +++ b/codeforces/BuyAShovel/main_input2.txt @@ -0,0 +1 @@ +15 2 diff --git a/codeforces/BuyAShovel/main_output0.txt b/codeforces/BuyAShovel/main_output0.txt new file mode 100644 index 0000000..ec63514 --- /dev/null +++ b/codeforces/BuyAShovel/main_output0.txt @@ -0,0 +1 @@ +9 diff --git a/codeforces/BuyAShovel/main_output1.txt b/codeforces/BuyAShovel/main_output1.txt new file mode 100644 index 0000000..d00491f --- /dev/null +++ b/codeforces/BuyAShovel/main_output1.txt @@ -0,0 +1 @@ +1 diff --git a/codeforces/BuyAShovel/main_output2.txt b/codeforces/BuyAShovel/main_output2.txt new file mode 100644 index 0000000..0cfbf08 --- /dev/null +++ b/codeforces/BuyAShovel/main_output2.txt @@ -0,0 +1 @@ +2 -- cgit v1.2.3