Submission #342546

#	Time	Username	Problem	Language	Result	Execution time	Memory
342546		Olerinskiy	Red-blue table (IZhO19_stones)	C++14	0 / 100	32 ms	1388 KiB

stones

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <bitset>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <cmath>
#include <time.h>
#include <random>
#include <string>
#include <cassert> 
#include <vector>
#include <ostream>
#include <istream>
#include <stack>
#include <deque>
#include <queue>
#include <functional>
#include <chrono>
#include <stack>

using namespace std;

#define int long long
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define pii pair<int, int>
#define ld long double

istream& operator>> (istream& in, pii& b) {
    in >> b.first >> b.second;
    return in;
}

ostream& operator<< (ostream& out, const pii& b) {
    out << "{" << b.first << ", " << b.second << "}";
    return out;
}

template<typename T> ostream& operator<< (ostream& out, const vector<T>& a) {
    for (auto k : a) out << k << " ";
    return out;
}

template <typename T1, typename T2> inline bool chkmin(T1 &x, const T2 &y) {if (x > y) {x = y; return 1;} return 0;}
template <typename T1, typename T2> inline bool chkmax(T1 &x, const T2 &y) {if (x < y) {x = y; return 1;} return 0;}

#ifdef LOCAL
    #define dbg(x) cout << #x << " : " << (x) << endl;
    const long long INF = 1e18;
    const long long mod = 2600000069;
    const long long p = 10;
#else
    #define dbg(x) 57
    const long long INF = 1e18;
    const long long mod = 2600000069;  
    const long long p = 179;
#endif

const ld PI = 4 * atan(1);

#define time clock() / (double) CLOCKS_PER_SEC

// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC target("sse,sse2,sse3,sse3,sse4")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC optimize("fast-math")
// #pragma GCC target("avx2")  
// #pragma GCC optimize("section-anchors")
// #pragma GCC optimize("profile-values,profile-reorder-functions,tracer")
// #pragma GCC optimize("vpt")
// #pragma GCC optimize("rename-registers")
// #pragma GCC optimize("move-loop-invariants")
// #pragma GCC optimize("unswitch-loops")
// #pragma GCC optimize("function-sections")
// #pragma GCC optimize("data-sections")

mt19937 gen(chrono::high_resolution_clock::now().time_since_epoch().count());

void solve() {
    int n, m;
    cin >> n >> m;
    int t = 1;
    if (n < m) t = 2;
    int ans = max(n, m) + (min(n, m) - 1) / 2;
    cout << ans << "\n";
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (t == 1) {
                if (j <= (m + 1) / 2 - 1) {
                    cout << '+';
                } else {
                    cout << '-';
                }
            } else {
                if (i <= (n + 1) / 2 - 1) {
                    cout << '-';
                } else {
                    cout << '+';
                }
            }
        }
        cout << "\n";
    }
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int q = 1;
    cin >> q;
    while (q--) {
        solve();
    }
}
/*

*/

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