Submission #66531067

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Source Code Expand

#include <stdio.h>

char solve(int N, char S[], char SS[])
{
	int i;
	for (i = 0; S[i+1] != 0; i++) if (S[i] > S[i+1]) break;
	if (S[i+1] == 0) {
		for (i = 0; i <= N; i++) SS[i] = S[i];
		return;
	}
	
	int j;
	for (j = 0; j < i; j++) SS[j] = S[j];
	for (; j < N; j++) {
		if (S[j+1] > S[i] || j == N - 1) {
			SS[j] = S[i];
			break;
		}
		SS[j] = S[j+1];
	}
	for (j++; j <= N; j++) SS[j] = S[j];
}

int main()
{
	int T, N;
	char S[100001], SS[100001];
	scanf("%d", &T);
	while (T--) {
		scanf("%d", &N);
		scanf("%s", S);
		solve(N, S, SS);
		printf("%s\n", SS);
	}
	fflush(stdout);
	return 0;
}

Submission Info

Compile Error

Main.c: In function ‘solve’:
Main.c:9:17: warning: ‘return’ with no value, in function returning non-void
    9 |                 return;
      |                 ^~~~~~
Main.c:3:6: note: declared here
    3 | char solve(int N, char S[], char SS[])
      |      ^~~~~
Main.c: In function ‘main’:
Main.c:28:9: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   28 |         scanf("%d", &T);
      |         ^~~~~~~~~~~~~~~
Main.c:30:17: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   30 |                 scanf("%d", &N);
      |                 ^~~~~~~~~~~~~~~
Main.c:31:17: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   31 |                 scanf("%s", S);
      |                 ^~~~~~~~~~~~~~

Judge Result