oj.uz

Submission #919128

# Submission time Handle Problem Language Result Execution time Memory
919128 2024-01-31T10:54:34 Z TIN Utrka (COCI14_utrka) C++17
0 / 80
 2 ms 3672 KB 
#include <bits/stdc++.h>

using namespace std;

#define FNAME "test"

const int N = 1e5 + 5;

int n;
string s[N];
unordered_map<string, int> mp;
bool b[N];

void Task() {
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cout << fixed << setprecision(9);
	if (fopen(FNAME".inp","r")) {
		freopen(FNAME".inp","r",stdin);
		freopen(FNAME".out","w",stdout);
	}
}

void Solve() {
	//Your Code
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> s[i];
		mp[s[i]] = i;
	}
	memset(b, false, sizeof(b));
	for (int i = 1; i < n; i++) {
		string t;
		cin >> t;
		b[mp[t]] = true;
	}
	for (int i = 1; i <= n; i++) {
		if (!b[i]) {
			cout << s[i];
		}
	}
}

int main() {
	Task();
	Solve();
	cerr << "\nTime run: " << 1000*clock()/CLOCKS_PER_SEC << "ms";
	return 37^37;
}

Compilation message

utrka.cpp: In function 'void Task()':
utrka.cpp:19:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   freopen(FNAME".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
utrka.cpp:20:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   freopen(FNAME".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3672 KB Output is correct
2 Incorrect 2 ms 3672 KB Output isn't correct
3 Halted 0 ms 0 KB -