Submission #2660257

Source Code Expand

Copy
#include <bits/stdc++.h>
using namespace std;

#define NDEBUG
#ifdef DEBUG
#include "../cout11.h"
#undef NDEBUG
#endif
#include <cassert>

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> llll;
typedef pair<double,double> dd;

typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<ll> vll;

#define sz(a)  int((a).size())
#define pb  push_back
#define FOR(var,from,to) for(int var=(from);var<=(to);++var)
#define rep(var,n)  for(int var=0;var<(n);++var)
#define rep1(var,n)  for(int var=1;var<=(n);++var)
#define repC2(vari,varj,n)  for(int vari=0;vari<(n)-1;++vari)for(int varj=vari+1;varj<(n);++varj)
#define ALL(c)  (c).begin(),(c).end()
#define RALL(c)  (c).rbegin(),(c).rend()
#define tr(i,c)  for(auto i=(c).begin(); i!=(c).end(); ++i)
#define found(s,e)  ((s).find(e)!=(s).end())
#define mset(arr,val)  memset(arr,val,sizeof(arr))
#define mid(x,y) ((x)+((y)-(x))/2)
#define IN(x,a,b) ((a)<=(x)&&(x)<=(b))


int solve(int a,int b) {
    if (a==0 || b==0) return 0;
    if (a<=0 && 0<=b) return 0;
    if (0<a) return 1;
    // a<0, b??
    b = min(-1, b);
    // a<0, b<0
    int d = (b-a)+1;
    // printf("a,b,d=%d %d %d\n",a,b,d);
    return d%2 ? -1 : 1;
}

int main() {
    int a,b; cin>>a>>b;
    switch(solve(a,b)) {
        case 1: cout << "Positive" << endl; break;
        case -1: cout << "Negative" << endl; break;
        case 0: cout << "Zero" << endl; break;
    }
    return 0;
}

Submission Info

Submission Time
Task A - Range Product
User naoya_t
Language C++14 (GCC 5.4.1)
Score 200
Code Size 1586 Byte
Status
Exec Time 1 ms
Memory 256 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 0_00.txt, 0_01.txt, 0_02.txt
Subtask1 100 / 100 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt
All 100 / 100 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt
Case Name Status Exec Time Memory
0_00.txt 1 ms 256 KB
0_01.txt 1 ms 256 KB
0_02.txt 1 ms 256 KB
1_00.txt 1 ms 256 KB
1_01.txt 1 ms 256 KB
1_02.txt 1 ms 256 KB
1_03.txt 1 ms 256 KB
2_00.txt 1 ms 256 KB
2_01.txt 1 ms 256 KB
2_02.txt 1 ms 256 KB
2_03.txt 1 ms 256 KB