Submission #1359347

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define REP(i, a, b) for (int i = (a), i##_end_ = (b); i < i##_end_; ++i)
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define mp make_pair
#define x first
#define y second
#define pb push_back
#define SZ(x) (int((x).size()))
#define ALL(x) (x).begin(), (x).end()

template<typename T> inline bool chkmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> inline bool chkmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }

typedef long long LL;

const int oo = 0x3f3f3f3f;

const int maxn = 110;

int n;
char s[maxn + 5];
int a[maxn + 5];

int main()
{
#ifdef matthew99
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif
	scanf("%s", s);
	n = strlen(s);
	REP(i, 0, n) a[i] = s[i] - 'a';
	int ans = n;
	REP(i, 0, 26)
	{
		int lst = n;
		int tmp = 0;
		for (int j = n - 1; j >= 0; --j)
		{
			if (a[j] == i) lst = j;
			chkmax(tmp, lst - j);
		}
		chkmin(ans, tmp);
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:33:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
                ^

Judge Result