Submission #454739

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
454739	2021-08-05 07:44:13	Josia	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	537 ms	27572 KiB

fancyfence

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#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
using namespace std;
#define int int64_t
vector<int> tree;
vector<bool> lazy;
map<int, int> dict;
vector<int> dictReverse;
int mod = 1000000007;
int calcOptions(int x) {
    if (x%2) {
//        cout << ((x+1)/2 * x)%mod << "blub\n";
        return ((x+1)/2 * x)%mod;
    } else {
        return (x/2 * x + x/2)%mod;
    }
}
void push(int v) {
    if (v*2+1 >= tree.size()) return;
    lazy[v*2] = lazy[v*2]||lazy[v];
    lazy[v*2+1] = lazy[v*2+1]||lazy[v];
 
 
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Compilation message (stderr)

fancyfence.cpp: In function 'void push(int64_t)':
fancyfence.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     if (v*2+1 >= tree.size()) return;
      |         ~~~~~~^~~~~~~~~~~~~~
fancyfence.cpp: In function 'void push2(int64_t)':
fancyfence.cpp:91:15: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     if (v*2+1 >= tree2.size()) return;
      |         ~~~~~~^~~~~~~~~~~~~~~
fancyfence.cpp: In function 'std::pair<std::vector<long int>, std::vector<long int> > simplify(std::vector<long int>, std::vector<long int>)':
fancyfence.cpp:148:22: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  148 |     for (int i = 0; i<height.size(); i++) {
      |                     ~^~~~~~~~~~~~~~

• Subtask 1: 0 / 0
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 15 / 15
• Subtask 5: 15 / 15
• Subtask 6: 18 / 18
• Subtask 7: 27 / 27