src/base/features/shortcuts.hpp

#pragma once

#include"base/dependencies/index.hpp"

#include"integers.hpp"

// Entire container ranges.
#define ALL(c)begin(c),end(c)
#define RALL(c)rbegin(c),rend(c)

// Common iterations.
#define FORE(e,c)for(auto const&e:(c))
#define FORIT(it,c)for(auto it=begin(c);it!=end(c);++it)
#define FORLR(i,l,r)for(s32 i=S32(l);i<S32(r);++i)
#define FORN(i,n)FORLR(i,0,n)
#define RFORIT(it,c)for(auto it=rbegin(c);it!=rend(c);++it)
#define RFORLR(i,l,r)for(s32 i=S32(r)-1;i>=S32(l);--i)
#define RFORN(i,n)RFORLR(i,0,n)

// Negated control flows.
#define UNLESS(p)if(!(p))
#define UNTIL(p)while(!(p))

// Test cases input and iteration.
#define CASES s32 _t_;cin>>_t_;while(_t_--)

// Signed 32-bit size.
#define SIZE(c)(S32(size(c)))