Submission #617192

#	Time	Username	Problem	Language	Result	Execution time	Memory
617192		GoodkNight	Intercastellar (JOI22_ho_t1)	C++17	25 / 100	372 ms	4028 KiB

Main

#include<iostream>
using namespace std;
unsigned int ciasta[200008][2];
int binsearch(unsigned int x, int n){
    int p=0; int k = n-1;
    while(p!=k){
        int mid=(p+k)/2;
        if(ciasta[mid][0]==x){
            return (mid);
        }
        else{
            if(ciasta[mid][0]>x){
                k = mid;
            }
            else{
                p=mid+1;
            }
        }
    }
    return(k);
}
void dwoj(int a, int i){
    unsigned int odp=1;
    while(a%2==0){
        odp=odp*2;
        a=a/2;
    }
    ciasta[i][0]=odp;
    ciasta[i][1]=a;
}
int main(){
    unsigned int n, q, a; cin >> n;
    for(int i=0; i<n; i++){
        cin >> a;
        dwoj(a, i);
    }

    for(int i=1; i<n; i++){
        ciasta[i][0]+=ciasta[i-1][0];
    }
    cin >> q;
    unsigned int x;
    for(int i=0; i<q; i++){
        cin >> x;
        cout << ciasta[binsearch(x, n)][1]<<"\n";
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   33 |     for(int i=0; i<n; i++){
      |                  ~^~
Main.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   38 |     for(int i=1; i<n; i++){
      |                  ~^~
Main.cpp:43:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   43 |     for(int i=0; i<q; i++){
      |                  ~^~

• Subtask 1: 25 / 25
• Subtask 2: 0 / 35
• Subtask 3: 0 / 40