Submission #25712

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
25712	2017-06-23 19:01:09	gs14004	Cake (CEOI14_cake)	C++11	100 / 100	706 ms	13472 KiB

cake

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#include <cstdio>
#include <stack>
#include <utility>
#include <set>
#include <algorithm>
using namespace std;
typedef pair<int,int> pi;
int n,p,q;
int d[250005];
pi a[250005];
stack<pi> st;
struct tree1{
    int tree[530000], lim;
    void init(){
        for(lim = 1; lim <= p; lim <<= 1);
        for(int i=1; i<p; i++){
            tree[i+lim] = i;
        }
        for(int i=lim; i; i--){
            if(d[tree[2*i]] < d[tree[2*i+1]]){
                tree[i] = tree[2*i+1];
            }
            else tree[i] = tree[2*i];
        }
    }
    void upd(int p){
        p += lim;
        while(p > 1){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cake.cpp: In function 'int main()':
cake.cpp:151:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&p);
                         ^
cake.cpp:153:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&d[i]);
                          ^
cake.cpp:156:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&q);
                   ^
cake.cpp:165:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",str);
                        ^
cake.cpp:168:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d",&p,&q);
                                 ^
cake.cpp:195:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&t);
                           ^

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50