oj.uz

Submission #381943

# Submission time Handle Problem Language Result Execution time Memory
381943 2021-03-26T07:25:41 Z Slavita Janjetina (COCI21_janjetina) C++14
0 / 110
 1 ms 364 KB 
#include <bits/stdc++.h>
#define ve vector<int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define pi pair<int,int>
#define all(v) v.begin(),v.end()
#define si(v) (int)v.size()
#define en '\n'
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

const int N = 1e5 + 228;
const int big = 1e9;
int n, a[N], k, pr[N];

int main(){
    iostream::sync_with_stdio(false); cin.tie(0); ios_base::sync_with_stdio(false); cout.tie(0);
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    cin >> n, k;
    for (int i = 1; i <= n - 1; i++){
        int l, r, x;
        cin >> l >> r >> x;
        a[l] = x;
    }
    int ans = 0;
    for (int i = 1; i <= n; i++) pr[i] = max(pr[i - 1], a[i]);
    for (int i = 1; i <= n - 1; i++) if (pr[i] - i >= k) ans++;
    cout << ans;
    return 0;
}
/*
5 2
1 2 1
2 3 2
3 4 1
4 5 1
*/

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:23:16: warning: right operand of comma operator has no effect [-Wunused-value]
   23 |     cin >> n, k;
      |                ^

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -