Submission #1228957

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228957		adad	Stove (JOI18_stove)	C++20	Compilation error	0 ms	0 KiB

stove

#include <bits/stdc++.h>
#define TASK ""
#define MASK(i) (1<<(i))
#define BIT(x, i) (((x)>>(i))&1)
#define int long long
#define fi   first
#define se   second
using namespace std;
const long long INF = 1e17, MOD = 1e9 + 7, maxN = 1e5 + 5;

int n, k, t[maxN];
vector <int> tg;

signed main() {
    if (fopen(TASK ".INP", "r")) {
        freopen(TASK ".INP", "r", stdin);
        freopen(TASK ".OUT", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k;
    for(int i = 1; i <= n; i ++) cin >> t[i];
    int ans = t[n] + 1 - t[i];
    for(int i = 1; i <= n; i ++) tg.push_back(t[i] - t[i - 1] - 1);
    sort(tg.rbegin(), tg.rend());
	for(int i = 0; i < k and i < tg.size(); i ++) {
		ans -= tg[i];
	}
	cout << ans;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:23:28: error: 'i' was not declared in this scope
   23 |     int ans = t[n] + 1 - t[i];
      |                            ^
stove.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         freopen(TASK ".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen(TASK ".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~