From 41ce2d5446f6f075eb8711fe1ec50b7d0e53e5f4 Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Tue, 25 Jul 2023 21:47:54 +0300 Subject: Solved 3 problems in today's Div3 round --- codeforces/RudolphAndCutTheRope/main | Bin 0 -> 16624 bytes codeforces/RudolphAndCutTheRope/main.cpp | 139 +++++++++++++++++++++++ codeforces/RudolphAndCutTheRope/main_input0.txt | 20 ++++ codeforces/RudolphAndCutTheRope/main_output0.txt | 4 + 4 files changed, 163 insertions(+) create mode 100755 codeforces/RudolphAndCutTheRope/main create mode 100755 codeforces/RudolphAndCutTheRope/main.cpp create mode 100644 codeforces/RudolphAndCutTheRope/main_input0.txt create mode 100644 codeforces/RudolphAndCutTheRope/main_output0.txt (limited to 'codeforces/RudolphAndCutTheRope') diff --git a/codeforces/RudolphAndCutTheRope/main b/codeforces/RudolphAndCutTheRope/main new file mode 100755 index 0000000..c5c066e Binary files /dev/null and b/codeforces/RudolphAndCutTheRope/main differ diff --git a/codeforces/RudolphAndCutTheRope/main.cpp b/codeforces/RudolphAndCutTheRope/main.cpp new file mode 100755 index 0000000..b48c704 --- /dev/null +++ b/codeforces/RudolphAndCutTheRope/main.cpp @@ -0,0 +1,139 @@ +#include +using namespace std; + +using ll = long long; +using pii = pair; +using vpi = vector; +using vi = vector; +using vll = vector; +using mpii = map; +using mpll = map; +using db = long double; + +#define pb push_back +#define all(x) (x).begin(), (x).end() +#define rall(x) (x).rbegin(), (x).rend() +#define lb lower_bound +#define ub upper_bound +#define make_unique(x) \ + sort(all((x))); \ + (x).resize(unique(all((x))) - (x).begin()) +#define ceil(a, b) ((a) + (b) - 1) / (b)) + +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}; + +template +ostream &operator<<(ostream &os, const pair &p); +template ostream &operator<<(ostream &os, const vector &vec); +template +ostream &operator<<(ostream &os, const map &m); +template +ostream &operator<<(ostream &os, const unordered_map &m); +template ostream &operator<<(ostream &os, const set &s); +template +ostream &operator<<(ostream &os, const unordered_set &s); + +template +ostream &operator<<(ostream &os, const pair &p) { + os << "(" << p.first << ", " << p.second << ")"; + return os; +} + +template ostream &operator<<(ostream &os, const vector &vec) { + os << "{"; + for (size_t i = 0; i < vec.size(); ++i) { + if (i > 0) + os << ", "; + os << vec[i]; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const map &m) { + os << "{"; + for (const auto &p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const unordered_map &m) { + os << "{"; + for (const auto &p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template ostream &operator<<(ostream &os, const set &s) { + int i = 0; + os << "{"; + for (const auto &e : s) { + if (i > 0) + os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const unordered_set &s) { + int i = 0; + os << "{"; + for (const auto &e : s) { + if (i > 0) + os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + +void dbg() { cerr << "\n"; } + +template void dbg(T val, TS... vals) { + cerr << val << " "; + dbg(vals...); +} + +/* 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 + */ + +void solve() { + int n; + cin >> n; + int cnt = 0; + for (int i = 0; i < n; i++) { + int a, b; + cin >> a >> b; + cnt += (a > b); + } + cout << cnt << '\n'; +} + +int main() { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while (tt--) { + solve(); + } +} diff --git a/codeforces/RudolphAndCutTheRope/main_input0.txt b/codeforces/RudolphAndCutTheRope/main_input0.txt new file mode 100644 index 0000000..521f3ef --- /dev/null +++ b/codeforces/RudolphAndCutTheRope/main_input0.txt @@ -0,0 +1,20 @@ +4 +3 +4 3 +3 1 +1 2 +4 +9 2 +5 2 +7 7 +3 4 +5 +11 7 +5 10 +12 9 +3 2 +1 5 +3 +5 6 +4 5 +7 7 diff --git a/codeforces/RudolphAndCutTheRope/main_output0.txt b/codeforces/RudolphAndCutTheRope/main_output0.txt new file mode 100644 index 0000000..8e7c5e0 --- /dev/null +++ b/codeforces/RudolphAndCutTheRope/main_output0.txt @@ -0,0 +1,4 @@ +2 +2 +3 +0 -- cgit v1.2.3