Submission #827918

#	Time	Username	Problem	Language	Result	Execution time	Memory
827918		smatcsu	Arranging Shoes (IOI19_shoes)	C++17	0 / 100	1 ms	212 KiB

shoes

#include<bits/stdc++.h>
#define ll long long
using namespace std;

vector<ll> v;

ll count_swaps(vector<int> v){
    if(v[0]=(-v[1]) and v[0]<=0 and v[1]>=0) return 0;
    else{
        if(v[1]=(-v[0]) and v[1]<=0 and v[0]>=0) return 1;
        else return -1;
    }
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:8:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    8 |     if(v[0]=(-v[1]) and v[0]<=0 and v[1]>=0) return 0;
shoes.cpp:10:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   10 |         if(v[1]=(-v[0]) and v[1]<=0 and v[0]>=0) return 1;

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15