Submission #453761

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
453761	2021-08-04 17:15:49	Josia	Fancy Fence (CEOI20_fancyfence)	C++17	0 / 100	13 ms	16320 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;
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];
    if (lazy[v]){
        tree[v*2] = 0;
        tree[v*2+1] = 0;
    }
    lazy[v] = 0;
}
void updateRange(int v, int rl, int rr, int ql, int qr) {
    if (ql > qr) return;
    push(v);
    if (rl == ql && rr == qr) {
//        cout << rl << " " << rr << "\n";
 
 
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Compilation message (stderr)

fancyfence.cpp: In function 'void push(int64_t)':
fancyfence.cpp:16:15: 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]
   16 |     if (v*2+1 >= tree.size()) return;
      |         ~~~~~~^~~~~~~~~~~~~~
fancyfence.cpp: In function 'void push2(int64_t)':
fancyfence.cpp:78:15: 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]
   78 |     if (v*2+1 >= tree2.size()) return;
      |         ~~~~~~^~~~~~~~~~~~~~~

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