Submission #1021526

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021526		vjudge1	Vision Program (IOI19_vision)	C++17	0 / 100	2 ms	984 KiB

vision

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

void construct_network (int h, int w, int k) {
    vi th;
    auto toLine = [&](ll i, ll j) { return 0 <= i && i < h && 0 <= j && j < w ? i*w+j : -16; };
    auto getNeigh = [&](ll i, ll j) -> vi {
        vi ans;
        if (toLine(i-1, j) != -16) ans.push_back(toLine(i-1, j));
        if (toLine(i+1, j) != -16) ans.push_back(toLine(i+1, j));
        if (toLine(i, j-1) != -16) ans.push_back(toLine(i, j-1));
        if (toLine(i, j+1) != -16) ans.push_back(toLine(i, j+1));
        return ans;
    };
    for (ll i = 0; i < h; i++) {
        for (ll j = 0; j < w; j++) {
            th.push_back(add_and({ toLine(i, j), add_or({ getNeigh(i, j) }) }));
        }
    }
    add_or(th);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:21:42: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i, j)' from 'long long int' to 'int' [-Wnarrowing]
   21 |             th.push_back(add_and({ toLine(i, j), add_or({ getNeigh(i, j) }) }));
      |                                    ~~~~~~^~~~~~
vision.cpp:21:42: warning: narrowing conversion of 'toLine.construct_network(int, int, int)::<lambda(ll, ll)>(i, j)' from 'long long int' to 'int' [-Wnarrowing]

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19