Time-Conversion

Hackerrank/Time-Conversion

@@ -0,0 +1,185 @@
+#include <assert.h>
+#include <ctype.h>
+#include <limits.h>
+#include <math.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char* readline();
+char* ltrim(char*);
+char* rtrim(char*);
+char** split_string(char*);
+
+int parse_int(char*);
+
+/*
+ * Complete the 'birthdayCakeCandles' function below.
+ *
+ * The function is expected to return an INTEGER.
+ * The function accepts INTEGER_ARRAY candles as parameter.
+ */
+
+int birthdayCakeCandles(int candles_count, int* candles) {
+    int tall = 0, i;
+    int count=0;
+    for(i=0; i<candles_count; i++)
+    {
+        if(candles[i] > tall)
+            tall = candles[i];
+    }
+    for(i=0; i<candles_count; i++)
+    {
+        if(candles[i]==tall)
+            count++;
+    }
+    return count++;
+}
+
+int main()
+{
+    FILE* fptr = fopen(getenv("OUTPUT_PATH"), "w");
+
+    int candles_count = parse_int(ltrim(rtrim(readline())));
+
+    char** candles_temp = split_string(rtrim(readline()));
+
+    int* candles = malloc(candles_count * sizeof(int));
+
+    for (int i = 0; i < candles_count; i++) {
+        int candles_item = parse_int(*(candles_temp + i));
+
+        *(candles + i) = candles_item;
+    }
+
+    int result = birthdayCakeCandles(candles_count, candles);
+
+    fprintf(fptr, "%d\n", result);
+
+    fclose(fptr);
+
+    return 0;
+}
+
+char* readline() {
+    size_t alloc_length = 1024;
+    size_t data_length = 0;
+
+    char* data = malloc(alloc_length);
+
+    while (true) {
+        char* cursor = data + data_length;
+        char* line = fgets(cursor, alloc_length - data_length, stdin);
+
+        if (!line) {
+            break;
+        }
+
+        data_length += strlen(cursor);
+
+        if (data_length < alloc_length - 1 || data[data_length - 1] == '\n') {
+            break;
+        }
+
+        alloc_length <<= 1;
+
+        data = realloc(data, alloc_length);
+
+        if (!data) {
+            data = '\0';
+
+            break;
+        }
+    }
+
+    if (data[data_length - 1] == '\n') {
+        data[data_length - 1] = '\0';
+
+        data = realloc(data, data_length);
+
+        if (!data) {
+            data = '\0';
+        }
+    } else {
+        data = realloc(data, data_length + 1);
+
+        if (!data) {
+            data = '\0';
+        } else {
+            data[data_length] = '\0';
+        }
+    }
+
+    return data;
+}
+
+char* ltrim(char* str) {
+    if (!str) {
+        return '\0';
+    }
+
+    if (!*str) {
+        return str;
+    }
+
+    while (*str != '\0' && isspace(*str)) {
+        str++;
+    }
+
+    return str;
+}
+
+char* rtrim(char* str) {
+    if (!str) {
+        return '\0';
+    }
+
+    if (!*str) {
+        return str;
+    }
+
+    char* end = str + strlen(str) - 1;
+
+    while (end >= str && isspace(*end)) {
+        end--;
+    }
+
+    *(end + 1) = '\0';
+
+    return str;
+}
+
+char** split_string(char* str) {
+    char** splits = NULL;
+    char* token = strtok(str, " ");
+
+    int spaces = 0;
+
+    while (token) {
+        splits = realloc(splits, sizeof(char*) * ++spaces);
+
+        if (!splits) {
+            return splits;
+        }
+
+        splits[spaces - 1] = token;
+
+        token = strtok(NULL, " ");
+    }
+
+    return splits;
+}
+
+int parse_int(char* str) {
+    char* endptr;
+    int value = strtol(str, &endptr, 10);
+
+    if (endptr == str || *endptr != '\0') {
+        exit(EXIT_FAILURE);
+    }
+
+    return value;
+}

Hackerrank/leftRotation

@@ -0,0 +1,39 @@
+#include<stdio.h>
+void rotate(int [], int, int);
+void rot(int [], int);
+void print(int [], int);
+int main()
+{
+	int a[1000000], i, n, d;
+	scanf("%d",&n);
+	scanf("%d",&d);
+	for(i=0; i<n; i++)
+	{
+		scanf("%d",&a[i]);
+	}
+	rotate(a, n, d);
+	print(a, n);
+}
+void rotate(int a[1000000], int n, int d)
+{
+	int i;
+	for(i=0; i<d; i++)
+		rot(a,n);
+}
+void rot(int a[1000000], int n)
+{
+	int temp=a[0], i;
+	for(i=0; i<n-1; i++)
+	{
+		a[i]=a[i+1];
+	}
+	a[i]=temp;
+}
+void print(int a[1000000], int n)
+{
+	int i;
+	for(i=0; i<n; i++)
+	{
+		printf("%d ",a[i]);
+	}
+}