답안 #64977

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
64977 2018-08-06T10:53:53 Z forestryks Topovi (COCI15_topovi) C++
108 / 120
2000 ms 33968 KB
#define VERSION "0.1.5"

#include <cassert>
#include <cstdio>
#include <algorithm>

/** Fast allocation */

#ifdef FAST_ALLOCATOR_MEMORY
    int allocator_pos = 0;
    char allocator_memory[(int)FAST_ALLOCATOR_MEMORY];
    inline void * operator new ( size_t n ) {
        char *res = allocator_memory + allocator_pos;
        allocator_pos += n;
        assert(allocator_pos <= (int)FAST_ALLOCATOR_MEMORY);
        return (void *)res;
    }
    inline void operator delete ( void * ) noexcept { }
    //inline void * operator new [] ( size_t ) { assert(0); }
    //inline void operator delete [] ( void * ) { assert(0); }
#endif

/** Fast input-output */

template <class T = int> inline T readInt();                        
inline double readDouble();
inline int readUInt();                   
inline int readChar(); // first non-blank character
inline void readWord( char *s ); 
inline bool readLine( char *s ); // do not save '\n'
inline bool isEof();
inline int getChar(); 
inline int peekChar();
inline bool seekEof();
inline void skipBlanks();

template <class T> inline void writeInt( T x, char end = 0, int len = -1 );
inline void writeChar( int x ); 
inline void writeWord( const char *s );
inline void writeDouble( double x, int len = 0 );
inline void flush();

static struct buffer_flusher_t {
    ~buffer_flusher_t() {
        flush();
    }
} buffer_flusher;

/** Read */

static const int buf_size = 4096;

static unsigned char buf[buf_size];
static int buf_len = 0, buf_pos = 0;

inline bool isEof() {
    if (buf_pos == buf_len) {
        buf_pos = 0, buf_len = fread(buf, 1, buf_size, stdin);
        if (buf_pos == buf_len)
            return 1;
    }
    return 0;
}

inline int getChar() { 
    return isEof() ? -1 : buf[buf_pos++];
}

inline int peekChar() { 
    return isEof() ? -1 : buf[buf_pos];
}

inline bool seekEof() { 
    int c;
    while ((c = peekChar()) != -1 && c <= 32)
        buf_pos++;
    return c == -1;
}

inline void skipBlanks() {
    while (!isEof() && buf[buf_pos] <= 32U)
        buf_pos++;
}

inline int readChar() {
    int c = getChar();
    while (c != -1 && c <= 32)
        c = getChar();
    return c;
}

inline int readUInt() {
    int c = readChar(), x = 0;
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    return x;
}

template <class T>
inline T readInt() {
    int s = 1, c = readChar();
    T x = 0;
    if (c == '-')
        s = -1, c = getChar();
    else if (c == '+')
        c = getChar();
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    return s == 1 ? x : -x;
}

inline double readDouble() {
    int s = 1, c = readChar();
    double x = 0;
    if (c == '-')
        s = -1, c = getChar();
    while ('0' <= c && c <= '9')
        x = x * 10 + c - '0', c = getChar();
    if (c == '.') {
        c = getChar();
        double coef = 1;
        while ('0' <= c && c <= '9')
            x += (c - '0') * (coef *= 1e-1), c = getChar();
    }
    return s == 1 ? x : -x;
}

inline void readWord( char *s ) { 
    int c = readChar();
    while (c > 32)
        *s++ = c, c = getChar();
    *s = 0;
}

inline bool readLine( char *s ) { 
    int c = getChar();
    while (c != '\n' && c != -1)
        *s++ = c, c = getChar();
    *s = 0;
    return c != -1;
}

/** Write */

static int write_buf_pos = 0;
static char write_buf[buf_size];

inline void writeChar( int x ) {
    if (write_buf_pos == buf_size)
        fwrite(write_buf, 1, buf_size, stdout), write_buf_pos = 0;
    write_buf[write_buf_pos++] = x;
}

inline void flush() {
    if (write_buf_pos) {
        fwrite(write_buf, 1, write_buf_pos, stdout), write_buf_pos = 0;
        fflush(stdout);
    }
}

template <class T> 
inline void writeInt( T x, char end, int output_len ) {
    if (x < 0)
        writeChar('-'), x = -x;

    char s[24];
    int n = 0;
    while (x || !n)
        s[n++] = '0' + x % 10, x /= 10;
    while (n < output_len)
        s[n++] = '0';
    while (n--)
        writeChar(s[n]);
    if (end)
        writeChar(end);
}

inline void writeWord( const char *s ) {
    while (*s)
        writeChar(*s++);
}

inline void writeDouble( double x, int output_len ) {
    if (x < 0)
        writeChar('-'), x = -x;
    int t = (int)x;
    writeInt(t), x -= t;
    writeChar('.');
    for (int i = output_len - 1; i > 0; i--) {
        x *= 10;
        t = std::min(9, (int)x);
        writeChar('0' + t), x -= t;
    }
    x *= 10;
    t = std::min(9, (int)(x + 0.5));
    writeChar('0' + t);
}

///////////////////////////////////////////////////////////////////////////////////////////////
#include <bits/stdc++.h>
using namespace std;

// #define int long long

#define FAST_IO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define FILE_IO(x) freopen((string(x) + ".in").c_str(), "r", stdin); freopen((string(x) + ".out").c_str(), "w", stdout)
#define f first
#define s second
#define x1 x1qwer
#define y1 y1qwer
#define right right123
#define left left123
#define foreach(it, v) for (auto it : v)
#define rep(it, n) for (int it = 0; it < n; ++it)
#define forin(it, l, r) for (int it = l; it < r; ++it)
#define all(x) x.begin(), x.end()

typedef long long ll;
typedef unsigned long long ull;
typedef double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const double DINF = numeric_limits<double>::infinity();
const ll MOD = 1e9 + 7;
const double EPS = 1e-7;
ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
mt19937 mmtw_(MOD);
uniform_int_distribution<ll> rd_;
ll randomll() { return rd_(mmtw_);}
ll rnd(ll x, ll y) { return rd_(mmtw_) % (y - x + 1) + x; }
template <class T> T fact(T n) { if (n == 1) return 1; return n * fact(n - 1); }
////////////////////////////////////////////////////////////////////////////////////////////////

int n, m, k;
ll res = 0;
map<int, int> rcnt, rval;
map<int, int> ccnt, cval;
map<pair<int, int>, int> rooks;

void add(int r, int c, int a) {
    res -= (n - ccnt[rval[r]]);
    res -= (n - rcnt[cval[c]]);
    if (rval[r] != cval[c]) res++;

    // cout << res << endl;

    rcnt[rval[r]]--;
    rval[r] ^= a;
    rcnt[rval[r]]++;

    ccnt[cval[c]]--;
    cval[c] ^= a;
    ccnt[cval[c]]++;

    res += (n - ccnt[rval[r]]);
    res += (n - rcnt[cval[c]]);
    if (rval[r] != cval[c]) res--;
    rooks[{r, c}] ^= a;
}

int main() {
    // FAST_IO;
    // cin >> n >> m >> k;
    n = readInt();
    m = readInt();
    k = readInt();
    rcnt[0] = n; ccnt[0] = n;
    rep(i, m) {
        // cout << "--- " << i << " ---" << endl;
        int x, y, a;
        // cin >> x >> y >> a;
        x = readInt();
        y = readInt();
        a = readInt();
        add(x - 1, y - 1, a);
        rooks[{x - 1, y - 1}] = a;
    }

    // cout << res << endl;

    rep(i, k) {
        // cout << "--- " << i << " ---" << '\n';
        int x1, y1, x2, y2;
        // cin >> x1 >> y1 >> x2 >> y2;
        x1 = readInt();
        y1 = readInt();
        x2 = readInt();
        y2 = readInt();

        x1--; y1--; x2--; y2--;

        int val = rooks[{x1, y1}];
        add(x1, y1, val);
        add(x2, y2, val);

        // cout << res << '\n';
        writeInt<ll>(res, '\n');
    }
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 436 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 3 ms 520 KB Output is correct
6 Correct 202 ms 5612 KB Output is correct
7 Correct 197 ms 5612 KB Output is correct
8 Correct 126 ms 5612 KB Output is correct
9 Correct 129 ms 5612 KB Output is correct
10 Correct 147 ms 5612 KB Output is correct
11 Correct 1846 ms 33716 KB Output is correct
12 Execution timed out 2020 ms 33776 KB Time limit exceeded
13 Correct 1846 ms 33776 KB Output is correct
14 Correct 1829 ms 33912 KB Output is correct
15 Correct 1825 ms 33928 KB Output is correct
16 Execution timed out 2005 ms 33968 KB Time limit exceeded
17 Correct 1826 ms 33968 KB Output is correct
18 Correct 1792 ms 33968 KB Output is correct
19 Correct 1866 ms 33968 KB Output is correct
20 Correct 1998 ms 33968 KB Output is correct