Submission #1159342

#	Time	Username	Problem	Language	Result	Execution time	Memory
1159342		shn	Chess Rush (CEOI20_chessrush)	C++20	Compilation error	0 ms	0 KiB

chessrush

// #include "arithmetics.h"
#include <bits/stdc++.h>

using namespace std;

constexpr int P = 1e9+7;

int Add(int a, int b) {
	int ret = a%P;
	ret = (ret<0 ? P+ret : ret) + (b%P);
	return (ret>=0 ? ret%P : ret+P);
}

int Sub(int a, int b) {
	int ret = a%P;
	ret = (ret<0 ? P+ret : ret) - (b%P);
	return (ret>=0 ? ret%P : ret+P);
}

int Mul(int a, int b) {
	int ret = (1ll*(a%P) * (b%P)) % P;
	return (ret<0 ? P+ret : ret);
}

int modpow(int base, int exp, int modulus=P) {
  base %= modulus;
  int result = 1;
  while (exp > 0) {
    if (exp & 1) result = (1ll*result * base) % modulus;
    base = (1ll*base * base) % modulus;
    exp >>= 1;
  }
  return result;
}
int modinv(int a, int modulus=P) {
  return modpow(a,modulus-2);
}

int Div(int a, int b) {
	int ret = b%P;
	ret = (1ll*(a%P) * modinv(ret<0 ? P+ret : ret)) % P;
	return (ret<0 ? P+ret : ret);
}

int main(){
	int r , c , q;
	cin >> r >> c >> q;
	while(q--){
		char tt;
		cin >> tt;
		if(tt == 'P'){
			int x , y;
			cin >> x >> y;
			if(x != y){
				cout << 0 << '\n';
				continue;
			}
			cout << "1 1\n";
		}
		else if(tt == 'R'){
			int x , y;
			cin >> x >> y;
			if(x == y){
				cout << "1 1\n";
				continue;
			}
			cout << "2 2\n";
		}
		else{
			int x , y;
			cin >> x >> y;
			if(x == y || abs(x - y) == abs(1 - r)){
				cout << "1 1\n";
				continue;
			}
			int ans = 2;
			for(int j = 1; j <= c; j++){
				if(j == x){
					// int x2 = r - abs(j - y);
					// if()
					continue;
				}
				int x2 = 1 + abs(j - x);
				if(abs(x2 - r) == abs(j - y)) ans = Add(ans , 1);
				if(x2 == r) ans = Add(ans , 1);
				if(j == y) ans = Add(ans , 1);
				x2 = 1;
				if(abs(x2 - r) == abs(j - y)) ans = Add(ans , 1);
				if(j == y) ans = Add(ans , 1);
			}
			cout << 2 << ' ' << ans << '\n';
		}
	}
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccTksp15.o: in function `Add(int, int)':
arithmetics.c:(.text+0x0): multiple definition of `Add(int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccTksp15.o: in function `Sub(int, int)':
arithmetics.c:(.text+0x80): multiple definition of `Sub(int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x80): first defined here
/usr/bin/ld: /tmp/ccTksp15.o: in function `Mul(int, int)':
arithmetics.c:(.text+0x100): multiple definition of `Mul(int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x100): first defined here
/usr/bin/ld: /tmp/ccTksp15.o: in function `modpow(int, int, int)':
arithmetics.c:(.text+0x190): multiple definition of `modpow(int, int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x190): first defined here
/usr/bin/ld: /tmp/ccTksp15.o: in function `modinv(int, int)':
arithmetics.c:(.text+0x1f0): multiple definition of `modinv(int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x1f0): first defined here
/usr/bin/ld: /tmp/ccTksp15.o: in function `Div(int, int)':
arithmetics.c:(.text+0x290): multiple definition of `Div(int, int)'; /tmp/ccfiixDg.o:chessrush.cpp:(.text+0x290): first defined here
collect2: error: ld returned 1 exit status