Submission #49147

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
49147	2018-05-22 19:39:23	3zp	Cake (CEOI14_cake)	C++14	100 / 100	1569 ms	18644 KiB

cake

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#include<bits/stdc++.h>
#pragma GCC optimize ("O3")
using namespace std;
int A[2000009];
int T[2000009];
void build(int x, int l, int r){
    if(l == r){
        T[x] = A[l];
        return;
    }
    int mid = (l + r) /2;
    build(2*x+1, l , mid);
    build(2*x+2, mid + 1, r );
    T[x] = max(T[2*x+2], T[2*x+1]);
}
void upd(int x, int l, int r, int p, int v){
    if(l > p || r < p) return;
    if(l == r){
        T[x] = v;
        return;
    }
    int mid = (l + r)/2;
    upd(2*x+1,l,mid,p,v);
    upd(2*x+2,mid+1,r,p,v);
    T[x] = max(T[2*x+2], T[2*x+1]);
}
int fin1(int x, int l, int r, int A){
    if(l == r) return l;
    int mid = (l + r)/2;
 
 
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Compilation message (stderr)

cake.cpp:48:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
cake.cpp: In function 'int main()':
cake.cpp:80:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < v.size(); i++){
                            ~~^~~~~~~~~~
cake.cpp:52:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&A[i]);
         ~~~~~^~~~~~~~~~~~
cake.cpp:72:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d",&x,&e);
             ~~~~~^~~~~~~~~~~~~~
cake.cpp:92:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&x);
             ~~~~~^~~~~~~~~

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