Submission #146700

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
146700	2019-08-25 11:21:07	evpipis	Swap (BOI16_swap)	C++98	100 / 100	80 ms	12284 KiB

swap

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#include <bits/stdc++.h>
using namespace std;
//#define TEST
#define pb push_back
const int len = 2e5+5;
int val[len], block[len];
vector<int> vec[len];
int fin(int i){
    if (!i) return len;
    int ans = len;
    if (!vec[i].empty())
        ans = vec[i].back();
    if (!block[i])
        ans = min(ans, fin(i/2));
    return ans;
}
void del(int i, int v){
    if (!i) return;
    if (!vec[i].empty() && vec[i].back() == v)
        vec[i].pop_back();
    else
        block[i] = 1, del(i/2, v);
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

swap.cpp: In function 'int main()':
swap.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
swap.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &val[i]);
         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 27 / 27
• Subtask 4: 20 / 20
• Subtask 5: 32 / 32