Submission #68744842

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int INF=0x3f3f3f3f;
const ll LLINF=0x3f3f3f3f3f3f3f3fLL;
const int MAX=2e5+10;
int a[MAX],b[MAX];
int main()
{
	int n,q,i,x,v;
	ll ans;
	char op[2];
	scanf("%d%d",&n,&q);
	for(i=1;i<=n;i++) scanf("%d",&a[i]);
	for(i=1;i<=n;i++) scanf("%d",&b[i]);
	ans=0;
	for(i=1;i<=n;i++) ans+=min(a[i],b[i]);
	while(q--)
	{
		scanf("%s%d%d",op,&x,&v);
		ans-=min(a[x],b[x]);
		if(op[0]=='A') a[x]=v;
		else b[x]=v;
		ans+=min(a[x],b[x]);
		printf("%lld\n",ans);
	}
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:13:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   13 |         scanf("%d%d",&n,&q);
      |         ~~~~~^~~~~~~~~~~~~~
Main.cpp:14:32: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   14 |         for(i=1;i<=n;i++) scanf("%d",&a[i]);
      |                           ~~~~~^~~~~~~~~~~~
Main.cpp:15:32: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   15 |         for(i=1;i<=n;i++) scanf("%d",&b[i]);
      |                           ~~~~~^~~~~~~~~~~~
Main.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   20 |                 scanf("%s%d%d",op,&x,&v);
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~

Judge Result