Submission #733819

#TimeUsernameProblemLanguageResultExecution timeMemory
733819vjudge1Collecting Mushrooms (NOI18_collectmushrooms)C++17
9 / 100
2074 ms4940 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long vector <pair<ll,ll>> v; ll r, c, d, li; bool check(ll a, ll b) { if(a < r && b < c && a >= 0 && b >= 0) return 1; else return 0; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> r >> c; cin >> d >> li; char ch[r][c]; for(ll i = 0; i < r; i++) { for(ll j = 0; j < c; j++) { cin >> ch[i][j]; if(ch[i][j] == 'M') { v.push_back({i, j}); } } } ll ans = 0, checker = 0; for(ll i = 0; i < v.size(); i++) { ll s = 0; for(ll k = v[i].first - d; k <= v[i].first + d; k++) { if(checker == 1) { checker = 0; break; } for(ll q = v[i].second - d; q <= v[i].second + d; q++) { if(check(k, q) == 0) continue; if(ch[k][q] == 'S') s++; if(s == k) { ans++; checker = 1; break; } } } } cout << ans; }

Compilation message (stderr)

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:25:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(ll i = 0; i < v.size(); i++) {
      |                   ~~^~~~~~~~~~
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