제출 #1021554

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1021554		vjudge1	Vision Program (IOI19_vision)	C++17	14 / 100	7 ms	2140 KiB

vision

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

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; };
    fill(wh1, wh1+MAXN, vll({}));
    fill(wh2, wh2+MAXN, vll({}));
    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 cons1, cons2;
    for (ll i = 1; i < diag1.size(); i++) {
        cons1.push_back(add_and({ diag1[i-1], diag1[i] }));
        cons2.push_back(add_and({ diag2[i-1], diag2[i] }));
    }
    ll anyCons1 = add_or(cons1);
    ll anyCons2 = add_or(cons2);
    add_and({ anyCons1, anyCons2 });
}

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:29:22: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (ll i = 1; i < diag1.size(); i++) {
      |                    ~~^~~~~~~~~~~~~~
vision.cpp:35:15: warning: narrowing conversion of 'anyCons1' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
   35 |     add_and({ anyCons1, anyCons2 });
      |               ^~~~~~~~
vision.cpp:35:15: warning: narrowing conversion of 'anyCons1' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
vision.cpp:35:25: warning: narrowing conversion of 'anyCons2' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
   35 |     add_and({ anyCons1, anyCons2 });
      |                         ^~~~~~~~
vision.cpp:35:25: warning: narrowing conversion of 'anyCons2' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]

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