Cody

# Problem 1172. Wheat on a chessboard pt 1

Solution 186690

Submitted on 5 Jan 2013
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### Test Suite

Test Status Code Input and Output
1   Pass
%% n = 1; y_correct = 1; assert(isequal(wheat_chess(n),y_correct))

``` y = 0 y = 1 ```

2   Pass
%% n = 0; y_correct = 0; assert(isequal(wheat_chess(n),y_correct))

``` y = 0 ```

3   Fail
%% n = -1; y_correct = 'NaN'; assert(isequal(wheat_chess(n),y_correct))

```Error: Assertion failed. ```

4   Pass
%% n = 4; y_correct = 65535; assert(isequal(wheat_chess(n),y_correct))

``` y = 0 y = 1 y = 3 y = 7 y = 15 y = 31 y = 63 y = 127 y = 255 y = 511 y = 1023 y = 2047 y = 4095 y = 8191 y = 16383 y = 32767 y = 65535 ```

5   Pass
%% n = 8; y_correct = 18446744073709551615; assert(isequal(wheat_chess(n),y_correct))

``` y = 0 y = 1 y = 3 y = 7 y = 15 y = 31 y = 63 y = 127 y = 255 y = 511 y = 1023 y = 2047 y = 4095 y = 8191 y = 16383 y = 32767 y = 65535 y = 131071 y = 262143 y = 524287 y = 1048575 y = 2097151 y = 4194303 y = 8388607 y = 16777215 y = 33554431 y = 67108863 y = 134217727 y = 268435455 y = 536870911 y = 1.0737e+09 y = 2.1475e+09 y = 4.2950e+09 y = 8.5899e+09 y = 1.7180e+10 y = 3.4360e+10 y = 6.8719e+10 y = 1.3744e+11 y = 2.7488e+11 y = 5.4976e+11 y = 1.0995e+12 y = 2.1990e+12 y = 4.3980e+12 y = 8.7961e+12 y = 1.7592e+13 y = 3.5184e+13 y = 7.0369e+13 y = 1.4074e+14 y = 2.8147e+14 y = 5.6295e+14 y = 1.1259e+15 y = 2.2518e+15 y = 4.5036e+15 y = 9.0072e+15 y = 1.8014e+16 y = 3.6029e+16 y = 7.2058e+16 y = 1.4412e+17 y = 2.8823e+17 y = 5.7646e+17 y = 1.1529e+18 y = 2.3058e+18 y = 4.6117e+18 y = 9.2234e+18 y = 1.8447e+19 ```

6   Pass
%% n = 10; y_correct = 1267650600228229401496703205375; assert(isequal(wheat_chess(n),y_correct))

``` y = 0 y = 1 y = 3 y = 7 y = 15 y = 31 y = 63 y = 127 y = 255 y = 511 y = 1023 y = 2047 y = 4095 y = 8191 y = 16383 y = 32767 y = 65535 y = 131071 y = 262143 y = 524287 y = 1048575 y = 2097151 y = 4194303 y = 8388607 y = 16777215 y = 33554431 y = 67108863 y = 134217727 y = 268435455 y = 536870911 y = 1.0737e+09 y = 2.1475e+09 y = 4.2950e+09 y = 8.5899e+09 y = 1.7180e+10 y = 3.4360e+10 y = 6.8719e+10 y = 1.3744e+11 y = 2.7488e+11 y = 5.4976e+11 y = 1.0995e+12 y = 2.1990e+12 y = 4.3980e+12 y = 8.7961e+12 y = 1.7592e+13 y = 3.5184e+13 y = 7.0369e+13 y = 1.4074e+14 y = 2.8147e+14 y = 5.6295e+14 y = 1.1259e+15 y = 2.2518e+15 y = 4.5036e+15 y = 9.0072e+15 y = 1.8014e+16 y = 3.6029e+16 y = 7.2058e+16 y = 1.4412e+17 y = 2.8823e+17 y = 5.7646e+17 y = 1.1529e+18 y = 2.3058e+18 y = 4.6117e+18 y = 9.2234e+18 y = 1.8447e+19 y = 3.6893e+19 y = 7.3787e+19 y = 1.4757e+20 y = 2.9515e+20 y = 5.9030e+20 y = 1.1806e+21 y = 2.3612e+21 y = 4.7224e+21 y = 9.4447e+21 y = 1.8889e+22 y = 3.7779e+22 y = 7.5558e+22 y = 1.5112e+23 y = 3.0223e+23 y = 6.0446e+23 y = 1.2089e+24 y = 2.4179e+24 y = 4.8357e+24 y = 9.6714e+24 y = 1.9343e+25 y = 3.8686e+25 y = 7.7371e+25 y = 1.5474e+26 y = 3.0949e+26 y = 6.1897e+26 y = 1.2379e+27 y = 2.4759e+27 y = 4.9518e+27 y = 9.9035e+27 y = 1.9807e+28 y = 3.9614e+28 y = 7.9228e+28 y = 1.5846e+29 y = 3.1691e+29 y = 6.3383e+29 y = 1.2677e+30 ```