Submission #425287

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4252872021-06-12 19:11:28zoooma13The short shank; Redemption (BOI21_prison)C++14
100 / 100
1634 ms123960 KiB
#include <bits/stdc++.h>
using namespace std;
#define MAX_N 2000006
#define INF 0x3f3f3f3f
int sz;
pair <int ,int> tree[2*MAX_N];
void bld(vector<int>&arr){
for(int i=sz; i<(sz<<1); i++)
tree[i] = make_pair(arr[i-sz] ,i-sz);
for(int i=sz-1; i; i--)
tree[i] = min(tree[i<<1] ,tree[i<<1|1]);
}
void upd(int p ,int v){
for(tree[p+=sz].first = v; p>1; p>>=1)
tree[p>>1] = min(tree[p] ,tree[p^1]);
}
pair <int ,int> qry(int l ,int r){
auto res = make_pair(INF ,INF);
for(l+=sz ,r+=sz+1; l<r; l>>=1 ,r>>=1){
if(l&1) res = min(res ,tree[l++]);
if(r&1) res = min(res ,tree[--r]);
}
return res;
}
#define FL p<<1
#define FR p<<1|1
array <int ,3> tree2[4*MAX_N];
 
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Compilation message (stderr)

prison.cpp: In function 'int main()':
prison.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |     scanf("%d%d%d",&n,&k,&T) ,sz = n+1;
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
prison.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         scanf("%d",&i);
      |         ~~~~~^~~~~~~~~
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