Submission #776234

#TimeUsernameProblemLanguageResultExecution timeMemory
776234RecursiveCoSelf Study (JOI22_ho_t2)C++14
100 / 100
213 ms15076 KiB
// CF template, version 3.0 #include <bits/stdc++.h> using namespace std; #define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0) #define getTest int t; cin >> t #define eachTest for (int _var=0;_var<t;_var++) #define get(name) int (name); cin >> (name) #define out(o) cout << (o) #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); } #define sortl(name) sort((name).begin(), (name).end()) #define rev(name) reverse((name).begin(), (name).end()) #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++) #define decision(b) if (b){out("YES");}else{out("NO");} #define int long long int signed main() { improvePerformance; get(n); get(m); getList(n, A); getList(n, B); int l = 0; int r = 1e18; while (r - l >= 1) { int middle = (l + r + 1) / 2; int classes = 0; bool can = true; forto(n, i) { if (A[i] <= B[i]) classes += (middle - 1) / B[i] + 1; else { int attended = min(m, (middle + A[i] - 1) / A[i]); if (attended * A[i] < middle) attended += (middle - attended * A[i] + B[i] - 1) / B[i]; classes += attended; } if (classes > n * m) { can = false; break; } } if (can && (classes <= n * m || middle == 0)) l = middle; else r = middle - 1; } out(l); }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:22:5: note: in expansion of macro 'get'
   22 |     get(n);
      |     ^~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'm' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:23:5: note: in expansion of macro 'get'
   23 |     get(m);
      |     ^~~
Main.cpp:12:40: warning: unnecessary parentheses in declaration of 'A' [-Wparentheses]
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                        ^
Main.cpp:24:5: note: in expansion of macro 'getList'
   24 |     getList(n, A);
      |     ^~~~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'a' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:12:76: note: in expansion of macro 'get'
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                                                            ^~~
Main.cpp:24:5: note: in expansion of macro 'getList'
   24 |     getList(n, A);
      |     ^~~~~~~
Main.cpp:12:40: warning: unnecessary parentheses in declaration of 'B' [-Wparentheses]
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                        ^
Main.cpp:25:5: note: in expansion of macro 'getList'
   25 |     getList(n, B);
      |     ^~~~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'a' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:12:76: note: in expansion of macro 'get'
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                                                            ^~~
Main.cpp:25:5: note: in expansion of macro 'getList'
   25 |     getList(n, B);
      |     ^~~~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:32:9: note: in expansion of macro 'forto'
   32 |         forto(n, i) {
      |         ^~~~~
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