提出 #41969387

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ソースコード 拡げる

#include <iostream>
#include <vector>
#include <list>
#include <string>
#include <set>
#include <unordered_set>
#include <queue>
#include <numeric>
#include <map>
#include <unordered_map>
#include <algorithm>
using namespace std;

int main (void) {
    int w, h;
    cin >> w >> h;
    int n;
    cin >> n;
    vector<pair<int, int> > points(n);
    for (int i=0; i<n; i++) {
        int p, q;
        cin >> p >> q;
        points[i] = make_pair(p, q);
    }
    int a_num;
    cin >> a_num;
    vector<int> a(a_num);
    for (int i=0; i<a_num; i++) {
        cin >> a[i];
    }
    int b_num;
    cin >> b_num;
    vector<int> b(b_num);
    for (int i=0; i<b_num; i++) {
        cin >> b[i];
    }
    vector<bool> visited_a(a_num+1, false);
    vector<bool> visited_b(b_num+1, false);
    map<pair<int, int>, int> m;
    for (const auto& point : points) {
        auto itr_a = upper_bound(a.begin(), a.end(), point.first);
        long long ind_a = distance(a.begin(), itr_a);
        auto itr_b = upper_bound(b.begin(), b.end(), point.second);
        long long ind_b = distance(b.begin(), itr_b);
        pair<int, int> a_b = make_pair(ind_a, ind_b);
        visited_a[ind_a] = true;
        visited_b[ind_b] = true;
        if (m.find(a_b) == m.end()) {
            m[a_b] = 1;
        } else {
            m[a_b]++;
        }
    }
    int min_count = -1;
    int max_count = -1;
    for (const auto [key, val] : m) {
        if (min_count < 0) {
            min_count = val;
        } else {
            min_count = min(min_count, val);
        }
        max_count = max(max_count, val);
    }
    if (m.size() < (a_num+1)*(b_num+1)) {
        min_count = 0;
    }
    cout << min_count << " " << max_count << endl;
    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:64:18: warning: comparison of integer expressions of different signedness: ‘std::map<std::pair<int, int>, int>::size_type’ {aka ‘long unsigned int’} and ‘int’ [-Wsign-compare]
   64 |     if (m.size() < (a_num+1)*(b_num+1)) {
      |         ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~

ジャッジ結果