[Solved] How does this program execute? [duplicate]

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Recall that the static variable is shared between all calls to main. Then consider the code as it is executed recursively:

int main() {
    static int i = 5; // 5
    if (--i) { // 4
        main() {
            if (--i) { // 3
                main() {
                    if (--i) { // 2
                        main() {
                            if (--i) { // 1
                                 main() {
                                     if (--i) // 0 (false)
                                     return 0;
                                 }
                                 printf("%d ",i); // 0
                            }
                            return 0;
                        }
                        printf("%d ",i); // 0
                    }
                    return 0;
                }
                printf("%d ",i); // 0
            }
            return 0;
        }
        printf("%d ",i); // 0
    }
    return 0;
}

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solved How does this program execute? [duplicate]