제출 #1118548

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1118548		adaawf	Vision Program (IOI19_vision)	C++17	0 / 100	72 ms	6196 KiB

vision

#include <bits/stdc++.h>
#include "vision.h"
using namespace std;
void construct_network(int h, int w, int k) {
    int x = 0, y = 0;
    vector<int> va;
    for (int i = 0; i <= 15; i++) {
        vector<int> v;
        for (int j = 0; j < h * w; j++) {
            if (j & (1 << i)) {
                v.push_back(j);
            }
        }
        if (v.empty()) continue;
        if (add_or(v)) {
            if (add_xor(v)) va.push_back(i);
            else {
                x += (1 << i);
                y += (1 << i);
            }
        }
    }
    for (int i = 0; i < (1 << va.size()); i++) {
        int z = x, t = y;
        for (int j = 0; j < va.size(); j++) {
            if (i & (1 << j)) z += (1 << va[j]);
            else t += (1 << va[j]);
        }
        if (z < 0 || t < 0 || z >= h * w || t >= h * w || z > t) continue;
        int u = z / w, v = z % w, uu = t / w, vv = t % w;
        if (abs(uu - u) + abs(vv - v) != k) continue;
        vector<int> vva;
        vva.push_back(z);
        vva.push_back(t);
        if (add_and(vva)) {
            return;
        }
    }
    vector<int> vva;
    vva.push_back(0);
    vva.push_back(1);
    add_or(vva);
}

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:25:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         for (int j = 0; j < va.size(); j++) {
      |                         ~~^~~~~~~~~~~

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