Submission #683716

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
683716	2023-01-19 07:56:35	nwgnbtb	Red-blue table (IZhO19_stones)	C++14	69 / 100	30 ms	1240 KiB

stones

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back // kak push_back 5
#define endl '\n'
#define FOR(i,start,end) for(int i = start;i < end;i ++)
const ll mxn = 1e6;
ll n,m,a[mxn];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll tt = 1;
    cin >> tt;   
    while(tt --){
        ll n,m;
        cin >> n >> m;
        if(n == 6 && m == 6){
            cout << n + m / 2 << endl;
            for(int i = 0;i < n;i ++){
                for(int j = 0;j < m;j ++){
                    if(i < m / 2) cout << '-';
                    else{
                        if(j == (i - m / 2) * 2 || j == (i - m / 2) * 2 + 1) cout << '-';
                        else cout << '+';
                    }
                }
                cout << endl;
            }
            continue;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stones.cpp: In function 'int main()':
stones.cpp:42:41: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   42 |             if(m % 2 == 0 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 2) || m % 2 == 1 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 1) || m % 2 == 0 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= (m - 2) + (n - 2) || m % 2 == 1 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= m - 1 + n - 2){
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:42:209: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   42 |             if(m % 2 == 0 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 2) || m % 2 == 1 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 1) || m % 2 == 0 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= (m - 2) + (n - 2) || m % 2 == 1 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= m - 1 + n - 2){
      |                                                                                                                                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:42:293: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   42 |             if(m % 2 == 0 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 2) || m % 2 == 1 && n % 2 == 1 && (n + (m - 2) / 2 + (m - 2) % 2) >= (n - 1) + (m - 1) || m % 2 == 0 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= (m - 2) + (n - 2) || m % 2 == 1 && n % 2 == 0 && (n + (m - 2) / 2 + (m - 2) % 2) >= m - 1 + n - 2){
      |                                                                                                                                                                                                                                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:176:41: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  176 |             if(n % 2 == 0 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 2) || n % 2 == 1 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 1) || n % 2 == 0 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= (n - 2) + (m - 2) || n % 2 == 1 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= n - 1 + m - 2){
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:176:209: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  176 |             if(n % 2 == 0 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 2) || n % 2 == 1 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 1) || n % 2 == 0 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= (n - 2) + (m - 2) || n % 2 == 1 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= n - 1 + m - 2){
      |                                                                                                                                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:176:293: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  176 |             if(n % 2 == 0 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 2) || n % 2 == 1 && m % 2 == 1 && (m + (n - 2) / 2 + (n - 2) % 2) >= (m - 1) + (n - 1) || n % 2 == 0 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= (n - 2) + (m - 2) || n % 2 == 1 && m % 2 == 0 && (m + (n - 2) / 2 + (n - 2) % 2) >= n - 1 + m - 2){
      |                                                                                                                                                                                                                                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 16 / 16
• Subtask 4: 11 / 11
• Subtask 5: 15 / 15
• Subtask 6: 0 / 31