Submission #117050

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Source Code Expand

#include <cstdio>
#include <cstring>

int main() {
    int n;
    while (scanf("%d", &n), n) {
        int res = -1;
        for (int i = 2; i * i <= n; ++i) {
            while (n % i == 0) {
                res = i;
                n /= i;
            }
        }
        if (n > 1) {
            res = n;
        }
        printf("%d\n", res);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:5: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     while (scanf("%d", &n), n) {
     ^

Judge Result