Submission #842160

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
842160	2023-09-02 13:00:24	konber	Exam (eJOI20_exam)	C++14	12 / 100	250 ms	4832 KiB

exam

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#include <iostream>
#include <vector>
using namespace std;
vector<int> A, b, st;
int N;
void build(int p, int L, int R){
    if(L==R){
        st[p] = A[L];
        return;
    }
    build(2*p, L, (L+R)/2);
    build(2*p+1, (L+R)/2+1, R);
    st[p] = max(st[2*p], st[2*p+1]);
}
int rmq(int p, int L, int R, int i, int j){
    if(j < L || i > R) return -1;
    if(L >= i && R <= j) return st[p];
    int mid=(L+R)/2;
    return max(rmq(2*p, L, mid, i, j), rmq(2*p+1, mid+1, R, i, j));
}
int f(vector<int> a, int i){
    if(i==N){
        int ans=0;
        for(int j=0; j < N; j++) ans += a[j]==b[j];
        return ans;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

exam.cpp: In function 'int main()':
exam.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |     scanf("%d", &N);
      |     ~~~~~^~~~~~~~~~
exam.cpp:60:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   60 |         scanf("%d", &A[i]);
      |         ~~~~~^~~~~~~~~~~~~
exam.cpp:62:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         scanf("%d", &b[i]);
      |         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 12 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22