34 lines
917 B
C
34 lines
917 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char* argv[]) {
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if (argc < 2) {
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puts("Veuillez préciser une expression arithmétique...");
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return EXIT_FAILURE;
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}
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char* result = (char*)calloc(strlen(argv[1])+1, sizeof(char));
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int length = 0, nb_ouvrante = 0, nb_fermante = 0;
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for (int i = 0; i < strlen(argv[1]); i++) {
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if (argv[1][i] == '(' || argv[1][i] == ')') {
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result[length] = argv[1][i];
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length++;
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if (argv[1][i] == '(') nb_ouvrante++;
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else nb_fermante++;
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}
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}
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int equite = 0;
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for (int i = 0; i < strlen(result); i++) {
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if (result[i] == '(') equite++;
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else equite--;
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if (equite < 0) break;
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}
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printf("%s %s %s\n", result, nb_ouvrante == nb_fermante ? "OK" : "NOK", equite == 0 ? "valide" : "non valide");
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return EXIT_SUCCESS;
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} |