Submission #579146

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Source Code Expand

#include <stdio.h>

typedef long int li;
void cmd1();
void cmd2();
void cmd3();

void (*cmd[])() = {cmd1,cmd2,cmd3};
li a[100001],num=0,n;

int main(){
	int c;
	li q,p,v; 
	scanf("%ld %ld", &n,&q);
	for(;q>0;q--){
		scanf("%d",&c);
		++num;
		(*cmd[c-1])();
	}
	return 0;
}
void cmd1(){
	li p,s;
	int v;
	scanf("%ld %d",&p,&v);
	s = num + v;
	for(;p>0;p--){
		if(a[p] % s >= num)
			a[p] = s*(a[p]/s+1);
	}
}

void cmd2(){
	li p;
	scanf("%ld",&p);
	printf("%ld\n",a[p]);
}

void cmd3(){
	li i,v;
	scanf("%ld",&v);
	for(i=1;i<n+1;i++){
		a[i] += v;
	}
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:14:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld %ld", &n,&q);
  ^
./Main.c:16:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&c);
   ^
./Main.c: In function ‘cmd1’:
./Main.c:25:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld %d",&p,&v);
  ^
./Main.c: In function ‘cmd2’:
./Main.c:35:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld",&p);
  ^
./Main.c: In function ‘cmd3’:
./Main.c:41:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld",&v);
  ^

Judge Result