Submission #986435

#	Time	Username	Problem	Language	Result	Execution time	Memory
986435		Zero_OP	Prosjek (COCI14_prosjek)	C++14	50 / 50	1 ms	604 KiB

prosjek

#include<bits/stdc++.h>

using namespace std;
using int64 = int64_t;

#define  FOR(i, l, r) for(int i = (l), _r = (r); i <= _r; ++i)
#define FORD(i, r, l) for(int i = (r), _l = (l); i >= _l; --i)
#define  rep(i, l, r) for(int i = (l), _r = (r); i < _r; ++i)
#define repd(i, r, l) for(int i = (r) - 1, _l = l; i >= _l; --i)
#define          left __left
#define         right __right
#define          next __next
#define          prev __prev
#define           div __div
#define            pb push_back
#define            pf push_front
#define        all(v) v.begin(), v.end()
#define         sz(v) (int)v.size()
#define    compact(v) v.erase(unique(all(v)), end(v))
#define        dbg(v) "[" #v " = " << (v) << "]"
#define    file(name) if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }

template<typename T>
    bool minimize(T& a, const T& b){
        if(a > b) return a = b, true;
        return false;
    }

template<typename T>
    bool maximize(T& a, const T& b){
        if(a < b) return a = b, true;
        return false;
    }

template<int dimension, typename T>
struct vec : public vector<vec<dimension - 1, T>> {
    static_assert(dimension > 0, "Dimension must be positive !\n");
    template<typename... Args>
    vec(int n = 0, Args... args) : vector<vec<dimension - 1, T>> (n, vec<dimension - 1, T>(args...)) {}
};

template<typename T>
struct vec<1, T> : public vector<T> {
    vec(int n = 0, T val = T()) : vector<T>(n, val) {}
};

void preprocess();
void init();
void process();

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    file("antuvu");
    preprocess();

    int T = 1; //cin >> T;
    while(T--){
        init();
        process();
    }

    return 0;
}

void preprocess(){

}

void init(){

}

void process(){
    int n;
    cin >> n;
    vector<int64> b(n + 1), a(n + 1);

    long long sum = 0;
    for(int i = 1; i <= n; ++i){
        cin >> b[i];

        if(i == 1){
            a[i] = b[i];
        }
        else{
            a[i] = i * b[i] - sum;
        }

        sum += a[i];
    }

    for(int i = 1; i <= n; ++i){
        cout << a[i] << " \n"[i == n];
    }
}

Compilation message (stderr)

prosjek.cpp: In function 'int main()':
prosjek.cpp:21:58: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 | #define    file(name) if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
prosjek.cpp:55:5: note: in expansion of macro 'file'
   55 |     file("antuvu");
      |     ^~~~
prosjek.cpp:21:91: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 | #define    file(name) if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                                                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
prosjek.cpp:55:5: note: in expansion of macro 'file'
   55 |     file("antuvu");
      |     ^~~~

• Subtask 1: 50 / 50