Submission #1109366

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1109366	2024-11-06 15:05:39	mariaclara	The Kingdom of JOIOI (JOI17_joioi)	C++17	100 / 100	1472 ms	70612 KiB

joioi

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef tuple<ll,ll,ll> trio;
typedef pair<int,int> pii;
const int MAXN = 2e5+5;
const ll INF = 1e9;
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define mk make_pair
#define pb push_back
#define fr first
#define sc second
int n, m, max_val, min_val = 1e9, v[2005][2005], color[2005][2005];
bool check(int dif) {
    for(int i = 1; i <= n; i++) {
        for(int j = 1, a, b, c, d; j <= m; j++) {
            color[i][j] = 0;
            if(max_val - dif >= v[i][j]) color[i][j] = 1, a = i, b = j;
            if(min_val + dif <= v[i][j]) color[i][j] = -1, c = i, d = j;
            if(a == c and b == d) return 0;
        }
    }
    bool c_pos = 1, d_pos = 1, c_neg = 1, d_neg = 1;
 
 
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Compilation message (stderr)

joioi.cpp: In function 'bool check(int)':
joioi.cpp:26:29: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |             if(a == c and b == d) return 0;
      |                           ~~^~~~
joioi.cpp:26:18: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |             if(a == c and b == d) return 0;
      |                ~~^~~~
joioi.cpp:26:29: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |             if(a == c and b == d) return 0;
      |                           ~~^~~~
joioi.cpp:26:18: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |             if(a == c and b == d) return 0;
      |                ~~^~~~

• Subtask 1: 15 / 15
• Subtask 2: 45 / 45
• Subtask 3: 40 / 40