Submission #283145

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
283145	2020-08-25 10:34:56	laoriu	Split the sequence (APIO14_sequence)	C++14	0 / 100	117 ms	131072 KiB

sequence

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#define X first
#define Y second
#define pb push_back
#include<bits/stdc++.h>
using namespace std;
const int MAX=100005,MAX2=203,inf=2e9;
#define int long long
//typedef pair < ii , int > iii;
using ll = long long;
using ld = long double;
int n;
int a[MAX];
int f[MAX][MAX2];
using ps=pair < int , int >;
using line =pair < int , int >;
ps ii( int a,int b){
    if(b<0) return ps(-a,-b);
    else return ps(a,b);
}
bool cmp(ps a, ps b){
    return a.X*b.Y<a.Y*b.X;
}
bool ss(ps a,int b){
    return a.X<b*a.Y;
}
ps giao (line a,line b){
    return ii(b.Y-a.Y,a.X-b.X);
}
vector < line > pr[MAX2];
 
 
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Compilation message (stderr)

sequence.cpp: In function 'int main()':
sequence.cpp:53:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |                 int mi=b+e>>1;
      |                        ~^~
sequence.cpp:103:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  103 |                 int mi=b+e>>1;
      |                        ~^~
sequence.cpp:110:27: warning: 'an' may be used uninitialized in this function [-Wmaybe-uninitialized]
  110 |             now=pr[j-1][an];
      |                           ^
sequence.cpp:60:27: warning: 'an' may be used uninitialized in this function [-Wmaybe-uninitialized]
   60 |             now=pr[j-1][an];
      |                           ^

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29