Submission #1331864

#	Time	Username	Problem	Language	Result	Execution time	Memory
1331864		kawhiet	Remittance (JOI19_remittance)	C++20	0 / 100	0 ms	344 KiB

remittance

#include <cstdio>
#include <vector>
using namespace std;

int main()
{
  int n;
  scanf("%d",&n);
  vector<long long> A(n),B(n);
  for(int i=0;i<n;i++){
    scanf("%lld%lld",&A[i],&B[i]);
  }
  bool F = 0;
bool loop=true;
while(loop){
  loop=false;
  for(int i=0;i<n;i++){
if(A[i]>B[i]){
  long long t=(A[i]-B[i]+1)/2;
  A[i]-=2*t;
  A[(i+1)%n]+=t;
  loop=true;
}
  }
}
F=true;
for(int i=0;i<n;i++){
  F&=(A[i]==B[i]);
}
  puts(F?"Yes":"No");
  return 0;
}

Compilation message (stderr)

remittance.cpp: In function 'int main()':
remittance.cpp:8:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |   scanf("%d",&n);
      |   ~~~~~^~~~~~~~~
remittance.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%lld%lld",&A[i],&B[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45