Submission #441108

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
441108	2021-07-04 07:44:06	mosesmayer	Remittance (JOI19_remittance)	C++17	100 / 100	463 ms	44216 KiB

remittance

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#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define int LL
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
typedef vector<int> vi;
const LL LINF = 1e18;
const int mxsz = 1e6 + 5;
int n;
int a[mxsz], b[mxsz];
int d[mxsz];
int32_t main(){
  scanf("%lld", &n);
  for (int i = 0; i < n; i++)
    scanf("%lld %lld", a+i, b+i);
  LL dbt = 0, zeroed = 0, topup = 0, neg = 0;
  LL totalTopup = 0;
  for (int i = 0; i < n; i++){
    d[i] = a[i] - b[i];
    if (d[i] > 0) topup++, totalTopup += d[i];
    else if (d[i] < 0) neg++;
  }
#ifdef DEBUG
  for (int i = 0; i < n; i++){
    cout << i << ": " << d[i] << '\n';
 
 
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Compilation message (stderr)

remittance.cpp: In function 'int32_t main()':
remittance.cpp:21:14: warning: unused variable 'zeroed' [-Wunused-variable]
   21 |  LL dbt = 0, zeroed = 0, topup = 0, neg = 0;
      |              ^~~~~~
remittance.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |  scanf("%lld", &n);
      |  ~~~~~^~~~~~~~~~~~
remittance.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   scanf("%lld %lld", a+i, b+i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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