Submission #3766214

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Source Code Expand

#include<iostream>
#include<cstring>
using namespace std;
struct Save{
	char main;
	char up;
}save[1001][8];
int main(){
	int sum;
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=9;j++){
			cin>>save[i][j].main;
			if(save[i][j].main=='x'){
				sum++;
			}
		}
	}
	for(int i=1;i<=9;i++){
		for(int j=1;j<=n;j++){
			save[i][j].up=save[i-1][j].main;
		}
	}
	for(int i=1;i<=9;i++){
		for(int j=1;j<=n;j++){
			if(save[i][j].main=='o'&&save[i][j].up!='o'){
				sum++;
			}
		}
	}
	cout<<sum<<endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:18: warning: iteration 7u invokes undefined behavior [-Waggressive-loop-optimizations]
    if(save[i][j].main=='x'){
                  ^
./Main.cpp:13:16: note: containing loop
   for(int j=1;j<=9;j++){
                ^

Judge Result