Submission #528089

#	Time	Username	Problem	Language	Result	Execution time	Memory
528089		aris12345678	Wand (COCI19_wand)	C++14	7 / 70	26 ms	1704 KiB

wand

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, m;
    scanf("%d %d", &n, &m);
    string s = "";
    for(int i = 0; i < n; i++)
        s += '0';
    for(int i = 0; i < m; i++) {
        int a, b;
        scanf("%d %d", &a, &b);
        s[a-1] = '1';
    }
    cout << s << "\n";
    return 0;
}

Compilation message (stderr)

wand.cpp: In function 'int main()':
wand.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
wand.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d %d", &a, &b);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 70