add new problem

C++/Distinctos Raffle/main.cpp

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+#include <cstdio>
+#include <iostream>
+#include <cstring>
+
+int N, K, numbers[100005];
+int cntr[100005];
+
+int answer;
+/**
+ * AIO 2023
+ * @link https://orac2.info/problem/aio23raffle/
+ * 
+ * @mrmagic2020
+*/
+int main(void) {
+ memset(cntr, 0, sizeof(cntr));
+
+ FILE *input_file = fopen("rafflein.txt", "r");
+ FILE *output_file = fopen("raffleout.txt", "w");
+
+ fscanf(input_file, "%d%d", &N, &K);
+ for (int i = 0; i < N; i++) {
+ fscanf(input_file, "%d", &numbers[i]);
+ cntr[numbers[i]]++;
+ std::cout << "cntr[" << numbers[i] << "] = " << cntr[numbers[i]] << std::endl;
+ }
+
+ int min = -1;
+ for (int i = 1; i <= K; i++)
+ if (cntr[i] == 1)
+ {
+ min = i;
+ break;
+ }
+
+ answer = min;
+
+ fprintf(output_file, "%d\n", answer);
+
+ fclose(input_file);
+ fclose(output_file);
+
+ return 0;
+}

C++/Distinctos Raffle/rafflein.txt

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+7 8
+3 5 5 6 3 5 6

C++/Distinctos Raffle/raffleout.txt

@@ -0,0 +1 @@
+-1