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hub / github.com/SuprDewd/CompetitiveProgramming / min_stack

Class min_stack

code/data-structures/monotonic_queue.cpp:1–9  ·  view source on GitHub ↗

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1struct min_stack {
2 stack<int> S, M;
3 void push(int x) {
4 S.push(x);
5 M.push(M.empty() ? x : min(M.top(), x)); }
6 int top() { return S.top(); }
7 int mn() { return M.top(); }
8 void pop() { S.pop(); M.pop(); }
9 bool empty() { return S.empty(); } };
10struct min_queue {
11 min_stack inp, outp;
12 void push(int x) { inp.push(x); }

Callers

nothing calls this directly

Calls

no outgoing calls

Tested by

no test coverage detected