#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*);
int parse_int(char*);
/*
* Complete the 'perfectBreak' function below.
*
* The function is expected to return an INTEGER.
* The function accepts INTEGER_ARRAY arr as parameter.
*/
int perfectBreak(int arr_count, int* arr) {
int count=0;
int e=0,f=0;
int *b=malloc(arr_count * sizeof(int));
int *c=malloc(arr_count * sizeof(int));
int length=sizeof(arr);
int blength=sizeof(b);
int clength=sizeof(c);
if((blength==length)&&(clength==length))
{
for(int i=0;i<blength-1;i++){
if(b[i]<b[i+1]){
e++;
}
}
for(int j=0;j<clength-1;j++){
if(c[j]>c[j+1]){
f++;
}
}
if((e==blength-1)&&(f==clength-1)){
for(int k=0;k<arr_count;k++){
if((b[k]>=0)&&(c[k]>=0)&&(b[k]+c[k]==arr[k])){
count++;
}
}
}
}
return count;
}
int main()
{
FILE* fptr = fopen(getenv("OUTPUT_PATH"), "w");
int arr_count = parse_int(ltrim(rtrim(readline())));
int* arr = malloc(arr_count * sizeof(int));
for (int i = 0; i < arr_count; i++) {
int arr_item = parse_int(ltrim(rtrim(readline())));
*(arr + i) = arr_item;
}
int result = perfectBreak(arr_count, arr);
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;
}
int parse_int(char* str) {
char* endptr;
int value = strtol(str, &endptr, 10);
if (endptr == str || *endptr != '\0') {
exit(EXIT_FAILURE);
}
return value;
}
Write, Run & Share C Language code online using OneCompiler's C online compiler for free. It's one of the robust, feature-rich online compilers for C language, running the latest C version which is C18. Getting started with the OneCompiler's C editor is really simple and pretty fast. The editor shows sample boilerplate code when you choose language as 'C' and start coding!
OneCompiler's C online editor supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample C program which takes name as input and print your name with hello.
#include <stdio.h>
int main()
{
char name[50];
printf("Enter name:");
scanf("%s", name);
printf("Hello %s \n" , name );
return 0;
}
C language is one of the most popular general-purpose programming language developed by Dennis Ritchie at Bell laboratories for UNIX operating system. The initial release of C Language was in the year 1972. Most of the desktop operating systems are written in C Language.
When ever you want to perform a set of operations based on a condition if-else is used.
if(conditional-expression) {
// code
} else {
// code
}
You can also use if-else for nested Ifs and if-else-if ladder when multiple conditions are to be performed on a single variable.
Switch is an alternative to if-else-if ladder.
switch(conditional-expression) {
case value1:
// code
break; // optional
case value2:
// code
break; // optional
...
default:
// code to be executed when all the above cases are not matched;
}
For loop is used to iterate a set of statements based on a condition.
for(Initialization; Condition; Increment/decrement){
// code
}
While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.
while(condition) {
// code
}
Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.
do {
// code
} while (condition);
Array is a collection of similar data which is stored in continuous memory addresses. Array values can be fetched using index. Index starts from 0 to size-1.
data-type array-name[size];
data-type array-name[size][size];
Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity.
Two types of functions are present in C
Library functions are the in-built functions which are declared in header files like printf(),scanf(),puts(),gets() etc.,
User defined functions are the ones which are written by the programmer based on the requirement.
return_type function_name(parameters);
function_name (parameters)
return_type function_name(parameters) {
//code
}