Submission #1612790

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;

typedef long long i64;

const int MAX_N = 100005;

int N, M, A[MAX_N], P[MAX_N];
int res[MAX_N], temp[MAX_N];
i64 K, X[MAX_N], D[MAX_N];

void fpm(i64 x) {
  for (int i = 1; i <= N; ++i) res[i] = i;
  while (x) {
    if (x & 1) {
      for (int i = 1; i <= N; ++i)
	//temp[i] = P[res[i]];
	temp[i] = res[P[i]];
      for (int i = 1; i <= N; ++i)
	res[i] = temp[i];
    }
    for (int i = 1; i <= N; ++i) temp[i] = P[P[i]];
    for (int i = 1; i <= N; ++i) P[i] = temp[i];
    x >>= 1;
  }
}

int main() {
  scanf("%d", &N);
  for (int i = 1; i <= N; ++i)
    scanf("%lld", &X[i]), D[i] = X[i] - X[i - 1];
  
  for (int i = 1; i <= N; ++i)
    P[i] = i;
  
  scanf("%d%lld", &M, &K);
  for (int i = 1; i <= M; ++i)
    scanf("%d", &A[i]);
  
  for (int i = M; i; --i) {
    swap(P[A[i]], P[A[i] + 1]);
  }

  fpm(K);
  
  for (int i = 1; i <= N; ++i)
    temp[res[i]] = D[i];
  
  for (int i = 2; i <= N; ++i)
    X[i] = X[i - 1] + temp[i];
  
  for (int i = 1; i <= N; ++i)
    printf("%lld.0\n", X[i]);
  
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:31:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &N);
                  ^
./Main.cpp:33:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &X[i]), D[i] = X[i] - X[i - 1];
                                                 ^
./Main.cpp:38:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%lld", &M, &K);
                          ^
./Main.cpp:40:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &A[i]);
                       ^

Judge Result