Submission #733810

#	Time	Username	Problem	Language	Result	Execution time	Memory
733810		vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	0 / 100	1813 ms	78240 KiB

Main

#include<bits/stdc++.h>

using namespace std;
using ll = long long;
int main() {
	int t, n, m, ans, i, z;
	
	cin >> n;
	int x[n + 2], y[n + 2];
	cin >> x[1] >> y[1];
	ans = 1;
	for ( i = 2; i <= n; i ++) {
		scanf("%d %d",&x[i], &y[i]);
		if ( x[i] - x[i - 1] < y[i]- y[i - 1]) ans ++;
	}
	cout << ans << endl;
}

Compilation message (stderr)

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:6:6: warning: unused variable 't' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |      ^
lightningrod.cpp:6:12: warning: unused variable 'm' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |            ^
lightningrod.cpp:6:23: warning: unused variable 'z' [-Wunused-variable]
    6 |  int t, n, m, ans, i, z;
      |                       ^
lightningrod.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |   scanf("%d %d",&x[i], &y[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 26
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20