提出 #73329314

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ソースコード 拡げる

#include<stdio.h>
#include<string.h>
/* 1<=N<=500000 */

int main(void) {
    int n;
    scanf("%d", &n);
    int a[n];
    char b[1000000];

    for (int i=0; i<n; i++) {
        scanf("%d", &a[i]);
    }

    int next;
    char chart[20];
    for (int s=0; s<n; s++) {
        next = a[s];
        while (next!=a[next-1]) {
            next = a[next-1];
        }
        sprintf(chart, "%d", next);
        strcat(b, chart);
        strcat(b, " ");
    }
    printf("%s\n", b);
}

提出情報

コンパイルエラー

Main.c: In function ‘main’:
Main.c:7:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    7 |     scanf("%d", &n);
      |     ^~~~~~~~~~~~~~~
Main.c:12:9: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   12 |         scanf("%d", &a[i]);
      |         ^~~~~~~~~~~~~~~~~~

ジャッジ結果