Submission #937062

#	Time	Username	Problem	Language	Result	Execution time	Memory
937062		gaga999	Superpozicija (COCI22_superpozicija)	C++17	0 / 110	22 ms	3420 KiB

Main

#include <cstdio>
#include <stdio.h>
#include <iostream>
#include <math.h>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <stdlib.h>
#include <cstring>
#include <string.h>
#include <string>
#include <sstream>
#include <assert.h>
#include <climits>
#include <sstream>
#include <numeric>
#include <time.h>
#include <limits.h>
#include <list>
#include <bitset>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <iomanip>
#include <complex>
#include <chrono>
#include <fstream>
#include <functional>
#include <unistd.h>
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC ttoget("avx,avx2,bmi,bmi2,lzcnt,popcnt")
#define lowbit(x) ((x) & -(x))
#define ml(a, b) ((1ll * (a) * (b)) % M)
#define tml(a, b) (a) = ((1ll * (a) * (b)) % M)
#define ad(a, b) ((0ll + (a) + (b)) % M)
#define tad(a, b) (a) = ((0ll + (a) + (b)) % M)
#define mi(a, b) ((0ll + M + (a) - (b)) % M)
#define tmi(a, b) (a) = ((0ll + M + (a) - (b)) % M)
#define tmin(a, b) (a) = min((a), (b))
#define tmax(a, b) (a) = max((a), (b))
#define iter(a) (a).begin(), (a).end()
#define riter(a) (a).rbegin(), (a).rend()
#define init(a, b) memset((a), (b), sizeof(a))
#define cpy(a, b) memcpy((a), (b), sizeof(a))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define pb emplace_back
#define mpr make_pair
#define ls(i) ((i) << 1)
#define rs(i) ((i) << 1 | 1)
#define INF 0x3f3f3f3f
#define NIF 0xc0c0c0c0
#define eps 1e-9
#define F first
#define S second
#define AC cin.tie(0)->sync_with_stdio(0)
using namespace std;
typedef long long llt;
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
typedef pair<llt, llt> pll;
typedef complex<double> cd;
// const int M = 998244353;

// random_device rm;
// mt19937 rg(rm());
// default_random_engine rg(rm());
// uniform_int_distribution<int> rd(INT_MIN, INT_MAX);
// uniform_real_distribution<double> rd(0, M_PI);

void db() { cerr << "\n"; }
template <class T, class... U>
void db(T a, U... b) { cerr << a << " ", db(b...); }

inline char gc()
{
    const static int SZ = 1 << 16;
    static char buf[SZ], *p1, *p2;
    if (p1 == p2 && (p2 = buf + fread(p1 = buf, 1, SZ, stdin), p1 == p2))
        return -1;
    return *p1++;
}
void rd() {}
template <typename T, typename... U>
void rd(T &x, U &...y)
{
    x = 0;
    bool f = 0;
    char c = gc();
    while (!isdigit(c))
        f ^= !(c ^ 45), c = gc();
    while (isdigit(c))
        x = (x << 1) + (x << 3) + (c ^ 48), c = gc();
    f && (x = -x), rd(y...);
}

template <typename T>
void prt(T x)
{
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        prt(x / 10);
    putchar((x % 10) ^ 48);
}

const int N = 2e5 + 5;
char s[N];
int to[N], fr[N], ans[N], dp[N];

struct cmp
{
    bool operator()(int a, int b)
    {
        return to[a] > to[b];
    }
};

signed main()
{
    int t, n, x, y;
    scanf("%d", &t);
    while (t-- && scanf("%d%s", &n, s + 1))
    {
        int c0 = 0, ct = n >> 1;
        fill(dp, dp + n + n + 1, 0), fill(to, to + n + n + 1, 0);
        for (int i = 1; i <= n; i++)
        {
            scanf("%d%d", &x, &y);
            if (s[x] == '(')
            {
                if (s[y] == '(')
                {
                    ct--;
                    if (x < y)
                        dp[x] = 1, ans[i] = 0;
                    else
                        dp[y] = 1, ans[i] = 1;
                }
                else
                {
                    dp[y] = -1, ans[i] = 1;
                    if (x < y)
                        to[x] = y, fr[x] = i;
                    else
                        to[y] = x, fr[y] = -i;
                }
            }
            else
            {
                if (s[y] == '(')
                {
                    dp[x] = -1, ans[i] = 0;
                    if (x < y)
                        to[x] = y, fr[x] = -i;
                    else
                        to[y] = x, fr[y] = i;
                }
                else
                {
                    c0++;
                    if (x < y)
                        dp[y] = -1, ans[i] = 1;
                    else
                        dp[x] = -1, ans[i] = 0;
                }
            }
        }
        if (n & 1 || c0 > n >> 1)
        {
            puts("-1");
            continue;
        }
        priority_queue<int, vector<int>, cmp> pq;
        bool ov = 0;
        for (int i = 1; i <= n << 1; i++)
        {
            if (to[i])
                pq.push(i);
            dp[i] += dp[i - 1];
            while (ct && !pq.empty() && to[pq.top()] <= i)
            {
                x = pq.top(), ct--;
                pq.pop(), dp[i] += 2;
                ans[abs(fr[x])] = fr[x] < 0;
            }
            while (dp[i] < 0 && ct && !pq.empty())
            {
                x = pq.top(), ct--;
                pq.pop(), dp[i]++, dp[to[i]]++;
                ans[abs(fr[x])] = fr[x] < 0;
            }
            if (dp[i] < 0)
            {
                ov = 1;
                break;
            }
        }
        if (ov)
        {
            puts("-1");
            continue;
        }
        // assert(dp[n << 1] == 0);
        for (int i = 1; i <= n; i++)
            printf("%d%c", ans[i], " \n"[i == n]);
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:127:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  127 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~
Main.cpp:134:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  134 |             scanf("%d%d", &x, &y);
      |             ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 70