Submission #63505253

Source Code Expand

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#include<cstdio>
#include<algorithm>
#include<iostream>
#include<string>
using namespace std;
const int N=105;
int n,a[N],op,x,tp;
int main() {
  scanf("%d",&n);
  while(n--) {
    scanf("%d",&op);
    if(op==1) {
      scanf("%d",&x);
      a[++tp]=x;
    } else {
      if(tp==0) printf("0\n");
      else printf("%d\n",a[tp--]);
    }
  }
  return 0;
} 
 
 
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#include<cstdio>
#include<algorithm>
#include<iostream>
#include<string>
using namespace std;
const int N=105;
int n,a[N],op,x,tp;
int main() {
	scanf("%d",&n);
	while(n--) {
		scanf("%d",&op);
		if(op==1) {
			scanf("%d",&x);
			a[++tp]=x;
		} else {
			if(tp==0) printf("0\n");
			else printf("%d\n",a[tp--]);
		}
	}
	return 0;
} 

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:9:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    9 |         scanf("%d",&n);
      |         ~~~~~^~~~~~~~~
Main.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |                 scanf("%d",&op);
      |                 ~~~~~^~~~~~~~~~
Main.cpp:13:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   13 |                         scanf("%d",&x);
      |                         ~~~~~^~~~~~~~~

Judge Result