Submission #4021771

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Source Code Expand

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
//#include <math.h>
#include <algorithm>
#include <vector>
#pragma warning(disable:4996)

typedef long long ll;
#define MIN(a, b) ((a)>(b)? (b): (a))
#define MAX(a, b) ((a)<(b)? (b): (a))
#define MOD 1000000007
using namespace std;

char str[300005];
long s[300005];

int main(int argc, char* argv[])
{
    long n;
    scanf("%ld", &n);
    scanf("%s", str);

    s[0]=0;
    long i;
    for(i=0; i<n; i++) {
        if(str[i]=='E') {
            s[i+1]=s[i]+1;
        }
        else {
            s[i+1]=s[i];
        }
    }

    long min=n;
    for(i=0; i<n; i++) {
        long tmp = (i-s[i])+(s[n]-s[i+1]);
        min = MIN(min,tmp);
    }
    
    printf("%ld\n", min);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, char**)’:
./Main.cpp:21:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%ld", &n);
                     ^
./Main.cpp:22:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", str);
                     ^

Judge Result