Submission #367379

#	Time	Username	Problem	Language	Result	Execution time	Memory
367379		chubyxdxd	Vepar (COCI21_vepar)	C++11	30 / 70	1596 ms	48980 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MAX=1e7;
vector<bool> sieve(MAX+5,true);
vector<int> y;
int main(){
  int t;
  for(int i=2;i<=MAX+5;i++){
    if(sieve[i]==false)continue;
    y.push_back(i);
    for(ll j=i+i;j<=MAX+5;j+=i){
      sieve[j]=false;
    }
  }
  scanf("%d",&t);
  while(t--){
    int a,b,c,d;
    scanf("%d %d %d %d",&a,&b,&c,&d);
    map<int,int> mpa,mpb;
    for(int i=0;i<y.size() && y[i]<=b;i++){
      int aux=1;
      while(aux<=b){
	aux*=y[i];
	int cur=b/aux-(a-1)/aux;
	mpa[y[i]]+=cur;
      }
    }
    for(int i=0;i<y.size() && y[i]<=d;i++){
      int aux=1;
      while(aux<=d){
	aux*=y[i];
	int cur=d/aux-(c-1)/aux;
	mpb[y[i]]+=cur;
      }
    }
    int sw=1;
    for(auto it=mpa.begin();it!=mpa.end();it++){
      int fi=(*it).first;
      int se=(*it).second;
      if(mpb[fi]<se)sw=0;
    }
    if(sw)printf("DA\n");
    else printf("NE\n");
  }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(int i=0;i<y.size() && y[i]<=b;i++){
      |                 ~^~~~~~~~~
Main.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i=0;i<y.size() && y[i]<=d;i++){
      |                 ~^~~~~~~~~
Main.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |   scanf("%d",&t);
      |   ~~~~~^~~~~~~~~
Main.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |     scanf("%d %d %d %d",&a,&b,&c,&d);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10