Lehmät

input/code.cpp: In function 'int main()':
input/code.cpp:8:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |         scanf("%d %d",&n, &m);
      |         ~~~~~^~~~~~~~~~~~~~~~

#include <bits/stdc++.h>

using namespace std;


int main(){
	int n, m, ch=0, o = 0;
	scanf("%d %d",&n, &m);
	char cl='*', c = getc(stdin);
	while(c!='*')c = getc(stdin);
	while(c=='*')c = getc(stdin);
	while(cl!='*'||c!='*'){
		if(ch && c=='@')o++;
		if(c=='*')ch = !ch;
		cl=c;
		c = getc(stdin);
	}
	printf("%d", o);
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED