Submission #45142

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
45142	2018-04-11 13:30:42	nibnalin	Three Friends (BOI14_friends)	C++17	0 / 100	1063 ms	68276 KiB

friends

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#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
typedef long long int lli;
const lli maxn = lli(2e6)+5, MOD = lli(1e9)+11, charsz = 31;
lli n;
string S;
pair<lli, lli> st[4*maxn+10];
lli modpow(lli a, lli b)
{
  if(!b) return 1ll;
  else
  {
    lli res = modpow(a, b/2ll);
    res *= res;
    res %= MOD;
    if(b%2) res *= a%MOD;
    return res%MOD;
  }
}
pair<lli, lli> combine(pair<lli, lli> a, pair<lli, lli> b)
{
  pair<lli, lli> res = {a.first, a.second+b.second};
  res.first += (b.first%MOD*modpow(charsz, a.second)%MOD)%MOD;
 
 
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Compilation message (stderr)

friends.cpp: In function 'int main()':
friends.cpp:58:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 35
• Subtask 2: 0 / 65