Submission #133868

# Submission time Handle Problem Language Result Execution time Memory
133868 2019-07-21T15:45:33 Z Kastanda UFO (IZhO14_ufo) C++11
15 / 100
504 ms 238184 KB
// ItnoE
#include<bits/stdc++.h>
#define lc (id << 1)
#define rc (lc ^ 1)
#define md (l + r >> 1)
using namespace std;
int R, ts, ret[11];
struct Tree
{
    int N, * MX;
    inline Tree(int _N = 0)
    {
        N = _N;
        MX = new int [N + 3 << 1];
    }
    inline void Setter(int i, int val)
    {
        Set(i, val, 1, 1, N + 1);
    }
    inline void Getter(int val, int d)
    {
        ts = 0;
        if (d == 0)
            GetPref(val, 1, 1, N + 1);
        else
            GetSuff(val, 1, 1, N + 1);
    }
    void Set(int i, int val, int id, int l, int r)
    {
        if (r - l < 2)
            return void(MX[id] = val);
        if (i < md)
            Set(i, val, lc, l, md);
        else
            Set(i, val, rc, md, r);
        MX[id] = max(MX[lc], MX[rc]);
    }
    void GetPref(int val, int id, int l, int r)
    {
        if (MX[id] < val || ts >= R)
            return ;
        if (r - l < 2)
            return void(ret[ts ++] = l);
        GetPref(val, lc, l, md);
        GetPref(val, rc, md, r);
    }
    void GetSuff(int val, int id, int l, int r)
    {
        if (MX[id] < val || ts >= R)
            return ;
        if (r - l < 2)
            return void(ret[ts ++] = l);
        GetSuff(val, rc, md, r);
        GetSuff(val, lc, l, md);
    }
};
int main()
{
    int n, m, q, p;
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m >> R >> q >> p;
    int A[n + 3][m + 3];
    memset(A, 0, sizeof(A));
    for (int i = 1; i <= n; i ++)
        for (int j = 1; j <= m; j ++)
            cin >> A[i][j];
    Tree rows[n + 3], cols[m + 3];
    for (int i = 1; i <= n; i ++)
        rows[i] = Tree(m);
    for (int i = 1; i <= m; i ++)
        cols[i] = Tree(n);
    for (int i = 1; i <= n; i ++)
        for (int j = 1; j <= m; j ++)
        {
            rows[i].Setter(j, A[i][j]);
            cols[j].Setter(i, A[i][j]);
        }
    for (; q; q --)
    {
        char ch;
        int id, h;
        cin >> ch >> id >> h;
        if (ch == 'W' || ch == 'E')
        {
            rows[id].Getter(h, ch == 'E');
            for (int i = 0; i < ts; i ++)
            {
                A[id][ret[i]] --;
                rows[id].Setter(ret[i], A[id][ret[i]]);
                cols[ret[i]].Setter(id, A[id][ret[i]]);
            }
        }
        else
        {
            cols[id].Getter(h, ch == 'S');
            for (int i = 0; i < ts; i ++)
            {
                A[ret[i]][id] --;
                rows[ret[i]].Setter(id, A[ret[i]][id]);
                cols[id].Setter(ret[i], A[ret[i]][id]);
            }
        }
    }
    int Mx = 0;
    for (int i = p; i <= n; i ++)
        for (int j = p; j <= m; j ++)
        {
            int SM = 0;
            for (int a = i - p + 1; a <= i; a ++)
                for (int b = j - p + 1; b <= j; b ++)
                    SM += A[a][b];
            Mx = max(Mx, SM);
        }
    return !printf("%d\n", Mx);
}

Compilation message

ufo.cpp: In constructor 'Tree::Tree(int)':
ufo.cpp:14:25: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
         MX = new int [N + 3 << 1];
                       ~~^~~
ufo.cpp: In member function 'void Tree::Set(int, int, int, int, int)':
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:32:17: note: in expansion of macro 'md'
         if (i < md)
                 ^~
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:33:32: note: in expansion of macro 'md'
             Set(i, val, lc, l, md);
                                ^~
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:35:29: note: in expansion of macro 'md'
             Set(i, val, rc, md, r);
                             ^~
ufo.cpp: In member function 'void Tree::GetPref(int, int, int, int)':
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:44:29: note: in expansion of macro 'md'
         GetPref(val, lc, l, md);
                             ^~
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:45:26: note: in expansion of macro 'md'
         GetPref(val, rc, md, r);
                          ^~
ufo.cpp: In member function 'void Tree::GetSuff(int, int, int, int)':
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:53:26: note: in expansion of macro 'md'
         GetSuff(val, rc, md, r);
                          ^~
ufo.cpp:5:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define md (l + r >> 1)
             ~~^~~
ufo.cpp:54:29: note: in expansion of macro 'md'
         GetSuff(val, lc, l, md);
                             ^~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 504 KB Output isn't correct
4 Incorrect 17 ms 632 KB Output isn't correct
5 Correct 81 ms 2424 KB Output is correct
6 Incorrect 229 ms 13304 KB Output isn't correct
7 Runtime error 167 ms 49476 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 126 ms 45916 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 108 ms 36216 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 127 ms 45932 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 131 ms 49016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 125 ms 45944 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 202 ms 56356 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 134 ms 49144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 136 ms 46828 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 132 ms 49196 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 249 ms 59768 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 202 ms 58596 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 163 ms 68344 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 504 ms 238184 KB Execution killed with signal 11 (could be triggered by violating memory limits)