58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define INPUT_INIT_SIZE 32
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int parseInteger(int **input, size_t *input_size, size_t *input_capacity, char *argv) {
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int value = atoi(argv);
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if(value == 0 && argv[0] != '0') {
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return 1;
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}
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if(*input_size == *input_capacity) {
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int *newBuf = malloc(sizeof(int)*(*input_capacity)*2);
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memcpy(newBuf, *input, sizeof(int)*(*input_capacity));
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free(*input);
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*input_capacity *= 2;
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*input = newBuf;
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}
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(*input)[(*input_size)++] = value;
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return 0;
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}
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void findLocalMaxima(int *input, int size) {
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int consecutive = 0;
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for(size_t i = 1; i + 1 < size; ++i) {
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if(input[i-1] <= input[i] && input[i] >= input[i+1]) {
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if(consecutive == 0) {
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printf("%d ", input[i]);
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consecutive = 1;
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}
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} else {
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consecutive = 0;
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}
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}
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printf("\n");
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}
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int main(int argc, char **argv) {
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int *input = (int*)malloc(sizeof(int) * INPUT_INIT_SIZE);
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size_t input_size = 0;
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size_t input_capacity = INPUT_INIT_SIZE;
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--argc; ++argv;
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while(argc > 0) {
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if(parseInteger(&input, &input_size, &input_capacity, argv[0]) != 0) {
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free(input);
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return 1;
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}
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--argc; ++argv;
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}
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findLocalMaxima(input, input_size);
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free(input);
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return 0;
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}
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