Submission #137990

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
137990	2019-07-28 17:50:03	sebinkim	Remittance (JOI19_remittance)	C++14	100 / 100	533 ms	44280 KiB

remittance

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod = 1e9 + 7;
ll A[1010101], B[1010101], X[1010101];
ll n, p, q, s, a, b, x, t;
void die() { printf("No\n"); exit(0); }
ll pow(ll a, ll b)
{
  ll ret = 1;
  
  for(; b; b>>=1){
    if(b & 1) ret = ret * a % mod;
    a = a * a % mod;
  }
  
  return ret;
}
void check()
{
  ll i, j;
  
  p = (pow(2ll, n) - 1 + mod) % mod;
 
 
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Compilation message (stderr)

remittance.cpp: In function 'int main()':
remittance.cpp:79:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~
remittance.cpp:82:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", A + i, B + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 45 / 45