제출 #973576

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
973576		modwwe	송금 (JOI19_remittance)	C++17	0 / 100	2 ms	344 KiB

remittance

#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void ngha();
const int mod2=1e9+7;
const int  mod1=998244353;
struct ib
{
    int a;
    int b;
};
struct icd
{
    int a,b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
//#ifndef ONLINE_JUDGE
fin(task),fou(task);
//#endif
NHP
//modwwe
    //  cin>>res;
    ngha(),down
    checktime
}
stack<int> s;
ib a[1000001];
int c[1000001];
void ngha()
{
    cin>>n;
    for(int i=1;i<=n;i++){
         cin>>a[i].a>>a[i].b;
     if(a[i].a>a[i].b) c[i]=1,s.push(i);
    }
    while(!s.empty())
    {
        i=s.top();
                s.pop();
          c[i]=0;
        s3=a[i].a-a[i].b;
         s4=s3/2;
         if(s3%2!=0&&a[i].b==0)a[i].a=a[i].b+1;
         else
          if(s3%2!=0&&a[i].b!=0)s4++,a[i].a=a[i].b-1;
          else a[i].a=a[i].b;
          if(i==n) i=0;
          if(s4==0) continue;
          a[i+1].a+=s4;
          if(c[i+1]==0)
          {
              if(a[i+1].a>a[i+1].b) s.push(i+1),c[i+1]=1;
          }
    }
   for(int i=1;i<=n;i++)
 if(a[i].a!=a[i].b)
   {
        cout<<"NO";
        exit(0);
   }
   cout<<"Yes";

}

컴파일 시 표준 에러 (stderr) 메시지

remittance.cpp:45:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   45 | main()
      | ^~~~
remittance.cpp: In function 'void ngha()':
remittance.cpp:74:10: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   74 |          else
      |          ^~~~
remittance.cpp:77:11: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   77 |           if(i==n) i=0;
      |           ^~
remittance.cpp: In function 'int main()':
remittance.cpp:12:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
remittance.cpp:48:1: note: in expansion of macro 'fin'
   48 | fin(task),fou(task);
      | ^~~
remittance.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
remittance.cpp:48:11: note: in expansion of macro 'fou'
   48 | fin(task),fou(task);
      |           ^~~

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