Submission #206527

#	Time	Username	Problem	Language	Result	Execution time	Memory
206527		bash	Red-blue table (IZhO19_stones)	C++17	0 / 100	41 ms	1528 KiB

stones

/**
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
*/
#include <cstring>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>
 
#define F first
#define S second
#define endl '\n'
#define deb(x) cout<<#x<<' '<<x<<endl;
#define pb push_back
 using namespace __gnu_pbds;
using namespace std;

typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;
/*
#ifdef IZI_KATKA
#define int __int64_t
#else
#define int __int64
#endif
*/
const long long MOD = 1e9 + 7;

typedef long long ll;

#define pii pair<int,int>
 
long long readInt() {
    bool minus1 = false;
    long long result = 0;
    char ch;
    ch = getchar();
    while (true) {
        if (ch == '-') break;
        if (ch >= '0' && ch <= '9') break;
        ch = getchar();
    }
    if (ch == '-') minus1 = true; else result = ch-'0';
    while (true) {
        ch = getchar();
        if (ch < '0' || ch > '9') break;
        result = result*10 + (ch - '0');
    }
    if (minus1)
        return -result;
    else
        return result;
}

const int MAXN = 1111;

char ans[MAXN][MAXN];


int col[MAXN];
int a[MAXN];


int nxt(int a, int n) {
	if (a <= n) {
		return a;
	}
	if (a % n == 0) return n;
	else return a % n;
}

int main() {
	#ifdef IZI_KATKA
	assert(freopen("input", "r", stdin));
    assert(freopen("output", "w", stdout));
    #endif
    int T = readInt();
    while(T--) {
    	int n = readInt(), m = readInt();
    	for (int i = 1; i <= n; i++) {
    		col[i] = 0;	
    	}
    	for (int i = 1; i <= n; i++) {
    		for (int j = 1; j <= m; j++) {
    			ans[i][j] = '-';
    		}
    	}
    	int half_col = ((n + 2) / 2);
    	int half_row = ((m + 2) / 2);
    	int cur = 1;
    	int kek = n;
    	int col = 1;
    	for (int col = 1;; col++) {
			int next = nxt(cur + half_col, n);
			if (a[cur] + 1 < half_row && a[next] + 1 < half_row) {
				if (cur <= next) {
					for (int j = cur; j <= next; j++) {
						ans[j][col] = '+';
						a[j]++;
					}					
				} else {
					for (int j = cur; j <= n; j++) {
						ans[j][col] = '+';
						a[j] ++;
					}					
					for (int j = 1; j <= next; j++) {
						ans[j][col] = '+';
						a[j] ++;
					}
				}							
				kek++;
			} else {
				break;
			}
			col++;		
    		cur = next + 1;	    		
    	}
    	if (kek > max(n, m)) {
	        cout << kek << endl;
	    	for (int i = 1; i <= n; i++) {
    			for (int j = 1; j <= m; j++) {
	    			cout << ans[i][j];
    			}
    			cout << endl;
	    	}
    	} else {
    		if (n > m) {
    			cout << n << endl;
    			for (int i = 1; i <= n; i++) {
    				for (int j = 1; j <= m; j++) {
						cout << '+';    				
    				}
    				cout << endl;
    			}
    		} else {
    			cout << m << endl;
    			for (int i = 1; i <= n; i++) {
    				for (int j = 1; j <= m; j++) {
						cout << '-';    				
    				}
    				cout << endl;
    			}
    		}
    	}
    	memset(a, 0, sizeof(a));
    }
	return 0;
}

Compilation message (stderr)

stones.cpp: In function 'int main()':
stones.cpp:115:10: warning: unused variable 'col' [-Wunused-variable]
      int col = 1;
          ^~~

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