Submission #425480

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
425480	2021-06-13 05:00:17	Kevin_Zhang_TW	Sparklers (JOI17_sparklers)	C++17	100 / 100	31 ms	2508 KiB

sparklers

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#include<bits/stdc++.h>
#define pb emplace_back
#define AI(i) begin(i), end(i)
using namespace std;
using ll = long long;
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() {cerr << endl;}
template<class T, class ...U> void kout (T v, U ...e) { cerr << v << ' ', kout(e...); }
template<class T> void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L)==R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
// What I should check
// 1. overflow
// 2. corner cases
// Enjoy the problem instead of hurrying to AC
// Good luck !
const int MAX_N = 100010;
 
const ll inf = 1ll << 55;
 
int n, k, T;
int pos[MAX_N];
 
ll a[MAX_N];
 
 
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Compilation message (stderr)

sparklers.cpp: In function 'int32_t main()':
sparklers.cpp:79:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   79 |   M = L + R >> 1;
      |       ~~^~~

• Subtask 1: 30 / 30
• Subtask 2: 20 / 20
• Subtask 3: 50 / 50