Submission #1059143

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059143		efishel	Vision Program (IOI19_vision)	C++17	100 / 100	22 ms	5472 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using vi = vector <int>;

const ll MAXN = 500;
vll wh1[MAXN], wh2[MAXN];

void construct_network (int h, int w, int k) {
    auto toLine = [&](ll i, ll j) { return 0 <= i && i < h && 0 <= j && j < w ? i*w+j : -16; };
    if (k == h+w-2) {
        add_or({ add_and({ toLine(0, 0), toLine(h-1, w-1) }), add_and({ toLine(h-1, 0), toLine(0, w-1) }) });
        return;
    }
    for (ll i = 0; i < h; i++) {
        for (ll j = 0; j < w; j++) {
            wh1[i+j].push_back(toLine(i, j));
            wh2[j+h-1-i].push_back(toLine(i, j));
        }
    }
    vi diag1, diag2;
    for (ll i = 0; i < h+w-1; i++) {
        diag1.push_back(add_or(vi(wh1[i].begin(), wh1[i].end())));
        diag2.push_back(add_or(vi(wh2[i].begin(), wh2[i].end())));
    }
    vi op1, op2;
    // or op1: dis in diag1 == k
    // or op2: dis in diag2 == k
    for (ll i = k; i < h+w-1; i++) {
        op1.push_back(add_and({ diag1[i-k], diag1[i] }));
        op2.push_back(add_and({ diag2[i-k], diag2[i] }));
    }
    vi bd1, bd2;
    // or bd1: dis in diag1 > k
    // or bd2: dis in diag2 > k
    for (ll i = k; i < h+w-1 - 1; i++) {
        ll p1 = i-k+1, p2 = i;
        bd1.push_back(add_and({ add_or(vi(diag1.begin(), diag1.begin()+p1-1+1)), add_or(vi(diag1.begin()+p2+1, diag1.end())) }));
        bd2.push_back(add_and({ add_or(vi(diag2.begin(), diag2.begin()+p1-1+1)), add_or(vi(diag2.begin()+p2+1, diag2.end())) }));
    }
    add_and({ add_not({ add_or(bd1) }), add_not({ add_or(bd2) }), add_or({ add_or(op1), add_or(op2) }) });
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:14:34: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(0, 0)' from 'long long int' to 'int' [-Wnarrowing]
   14 |         add_or({ add_and({ toLine(0, 0), toLine(h-1, w-1) }), add_and({ toLine(h-1, 0), toLine(0, w-1) }) });
      |                            ~~~~~~^~~~~~
vision.cpp:14:34: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(0, 0)' from 'long long int' to 'int' [-Wnarrowing]
vision.cpp:14:48: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(((ll)(h - 1)), ((ll)(w - 1)))' from 'long long int' to 'int' [-Wnarrowing]
   14 |         add_or({ add_and({ toLine(0, 0), toLine(h-1, w-1) }), add_and({ toLine(h-1, 0), toLine(0, w-1) }) });
      |                                          ~~~~~~^~~~~~~~~~
vision.cpp:14:48: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(((ll)(h - 1)), ((ll)(w - 1)))' from 'long long int' to 'int' [-Wnarrowing]
vision.cpp:14:79: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(((ll)(h - 1)), 0)' from 'long long int' to 'int' [-Wnarrowing]
   14 |         add_or({ add_and({ toLine(0, 0), toLine(h-1, w-1) }), add_and({ toLine(h-1, 0), toLine(0, w-1) }) });
      |                                                                         ~~~~~~^~~~~~~~
vision.cpp:14:79: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(((ll)(h - 1)), 0)' from 'long long int' to 'int' [-Wnarrowing]
vision.cpp:14:95: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(0, ((ll)(w - 1)))' from 'long long int' to 'int' [-Wnarrowing]
   14 |         add_or({ add_and({ toLine(0, 0), toLine(h-1, w-1) }), add_and({ toLine(h-1, 0), toLine(0, w-1) }) });
      |                                                                                         ~~~~~~^~~~~~~~
vision.cpp:14:95: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(0, ((ll)(w - 1)))' from 'long long int' to 'int' [-Wnarrowing]

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 15 / 15
• Subtask 5: 12 / 12
• Subtask 6: 8 / 8
• Subtask 7: 14 / 14
• Subtask 8: 19 / 19