Submission #3424436

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <limits.h>
#include <cinttypes>
#include <string.h>
#include <bits/stdc++.h>

#define countof(a) (sizeof(a)/sizeof(*a))

#define vi vector<int>
#define vvi vector<vector<int> >
#define pi pair<int,int>
#define fi first
#define se second

#define FOR(var, to)          for (register s64 var = 0; var < (s64)to; var++)
#define FROMTO(var, from, to) for (register s64 var = from; var <= (s64)to; var++)

#define INIT(var) FOR(i,countof(var)) var[i] = 0
#define INPUT(var) FOR(i,countof(var)) var[i] = ri()

#define SORT(v) qsort(v,countof(v),sizeof(*v),int_less)
#define SORTT(v) qsort(v,countof(v),sizeof(*v),int_greater)

#define MOD 1000000007
#define INF (1 << 30)

typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef int64_t s64;

using namespace std;

static inline int ri() {
  int a;
  scanf("%d", &a);
  return a;
}

static inline s64 rs64() {
  s64 a;
  scanf("%" SCNd64, &a);
  return a;
}

static inline void wi(int a) {
  printf("%d", a);
}

static inline void wu64(u64 a) {
  printf("%" PRIu64, a);
}

static inline void ws64(s64 a) {
  printf("%" PRId64, a);
}

int int_less(const void *a, const void *b) {
  return (*((const int*)a) - *((const int*)b));
}
int int_greater(const void *a, const void *b) {
  return (*((const int*)b) - *((const int*)a));
}

int main() {
  int n = ri();
  int a = ri();
  int b = ri();
  int x[n];
  INPUT(x);
  s64 res = 0;
  UPTO(i,1,n-1) res += min(a*((s64)x[i]-x[i-1]),b);
  cout << res << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:79:8: error: ‘i’ was not declared in this scope
   UPTO(i,1,n-1) res += min(a*((s64)x[i]-x[i-1]),b);
        ^
./Main.cpp:79:15: error: ‘UPTO’ was not declared in this scope
   UPTO(i,1,n-1) res += min(a*((s64)x[i]-x[i-1]),b);
               ^
./Main.cpp: In function ‘int ri()’:
./Main.cpp:43:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^