29 lines
598 B
C++
29 lines
598 B
C++
#include <fstream>
|
|
#include <climits>
|
|
#include <iostream>
|
|
#include <vector>
|
|
|
|
int main() {
|
|
std::ifstream infile("input.txt");
|
|
|
|
std::vector<int> window { 0, 0, 0 };
|
|
int curr = 0;
|
|
unsigned int increases = 0;
|
|
|
|
infile >> window[0];
|
|
infile >> window[1];
|
|
infile >> window[2];
|
|
|
|
while (infile >> curr) {
|
|
int prev_sum = window[0] + window[1] + window[2];
|
|
int new_sum = window[1] + window[2] + curr;
|
|
|
|
if (new_sum > prev_sum) ++increases;
|
|
|
|
window = { window[1], window[2], curr };
|
|
}
|
|
|
|
std::cout << increases << std::endl;
|
|
|
|
return 0;
|
|
} |